久久久久国产精品视频,色一区二区,亚洲精品视频二区,日本特一级黄色片,97se亚洲综合,91亚洲人人在字幕国产,久久天天视频

λã > Ta(chn)Ʒ > ر > ر^(q) > ϱÆ

ϱÆ

l(f)ڣ2018/07/21 10:17:35

  • ϱĤˮ͸^yԇ

    ϱĤˮ͸^yԇ

    2024-05-30ϱĤSI(lng)еõˏVđ(yng)罨r(nng)I(y)wbϵˮ͸^ǺϱĤܵһҪָôΜʴ_؜yԇϱĤˮ͸^ȣ҂ҪʂŒģyԇx؝ȿϵy(tng)...[Ԕ]

  • ϱĤ͸ԜyԇxzҎ(gu)

    ϱĤ͸ԜyԇxzҎ(gu)

    2024-05-29ϱĤ͸ԜyԇxһNTڜyԇϱĤ͸ܵăxϱĤa(chn)^У͸ԵĺÉֱӰa(chn)Ʒ|(zh)ʹЧyԇϱĤ͸ʮֱҪČԔBϱĤ͸ԜyԇxęzҎ(gu)P(gun)ʹṩ...[Ԕ]

  • ܛbܷԜyԇxĜyԇʽע

    ܛbܷԜyԇxĜyԇʽע

    2024-05-13ܛbǬF(xin)гҊİbʳƷt(y)ˎI(lng)ҪıoܛbܷDZCЧԵP(gun)I֮һ˴_ܛbܷܷҪҪܛbܷԜyԇxMМyԇČԔBܛb...[Ԕ]

  • ϱĤĦϵ(sh)xĜyԇԭ

    ϱĤĦϵ(sh)xĜyԇԭ

    2024-05-08ϱĤĦϵ(sh)xһNõڜyϱĤĦܵăxͨ^ģMHʹ×lµĦ^uϱĤĥԺͻܡճ͹I(y)a(chn)ϱĤڰb^ˮI(lng)ĦֱӰa(chn)Ʒ|(zh)ʹ...[Ԕ]

  • ϱĤ͸xbИI(y)~h(hun)r

    ϱĤ͸xbИI(y)~h(hun)r

    2024-04-17עحh(hun)Ϳɳm(x)l(f)չĕrϱĤ͸xҪ͹@һNMİbϜyԇxЪص͸urM˰bИI(y)ڸ|(zh)ͭh(hun)Ҫ󡣂y(tng)ϰbܷԲwB͸ʸߵȆ}o...[Ԕ]

  • Ⱥc gԣGicKic Ҙ˜

    Ⱥc gԣGicKic Ҙ˜

    2023-10-16ȺSGPzƬcISO13586-2018ϔgԣGicKicĜyԔWLEFM)Ҙ˜݇Ҙ˜ӋϔgԣGICKICĜyԔWLEFMTC15ȫϘ˜ʻg(sh)ί...[Ԕ]

  • Sl(f)6-400Ŀ[Ƭ (yng)÷Ϳz[Ƭa(chn)S

    Sl(f)6-400Ŀ[Ƭ (yng)÷Ϳz[Ƭa(chn)S

    2023-10-06Sl(f)6-400Ŀ[Ƭ(yng)÷Ϳz[Ƭa(chn)SҲ[ƬVڷzͿƷʯ_l(f)O(sh)ʩˮ늏Sᡢұˮ̎SO(sh)ʩşÓO(sh)طNͿϡ...[Ԕ]

  • (ni)ӉܷԜyԇx

    (ni)ӉܷԜyԇx

    2023-07-12һNbһֱV(yng)ʳƷˎƷͻyƷȸNИI(y)УܷDZCa(chn)Ʒ|(zh)ͰȫP(gun)I֮һ˴_ܷܷҪ󼰘˜Ҫ(ni)ӉܷԜyԇxMМyԇu(ni)ӉܷԜyԇxһN...[Ԕ]

  • ϰƿ͸ܜyԇzyx

    ϰƿ͸ܜyԇzyx

    2022-08-03ƿʢbעˎҺڷҺСһ1~25mLƿM߶_y׮a(chn)¹F(xin)ܶt(y)ˎИI(y)ϰƿʹ÷ұ_ϰƿ^͸^^ˎƷijЩɷ...[Ԕ]

  • ԇCԭcl

    ԇCԭcl

    2022-06-21ԇCmڸN{ײzXͺϲϵȲϻa(chn)Ʒļc˺xܜyԇ܉򱣴ԇ򞔵(sh)(j)Y(ji)@ʾԃȱҪĹԇCԭ팢ԇbAԇCAߵă...[Ԕ]

  • wS988Aßoɰ

    wS988Aßoɰ

    2022-06-19a(chn)Ʒc1@׶oo2ɢԺãoë3(yu)ٵĘ֬͸4(yu)Ę֬͸ȼ5ͺϲƷܱõܺͻWܮa(chn)Ʒ;m܇͸ֺƷ[Ԕ]

  • ϱĤ͸ʵĜyԇ

    ϱĤ͸ʵĜyԇ

    2022-06-13ϱĤͱƬܛbϾгɱ͡|(zh)pӹ׵ă(yu)cʳƷˎƷȸNîa(chn)ƷbоЏVđ(yng)á(j)ͬĹ̺͑(yng)ҪϱĤͱƬܛbϵҪͬЕrҪĸԷֹЕrҪ...[Ԕ]

  • GB/T 1037-2021 ϱĤcƬˮ͸^ܜy ʽcpط

    GB/T 1037-2021 ϱĤcƬˮ͸^ܜy ʽcpط

    2022-05-25GB/T1037ӆѽ(jng)6ʽʩԓ˜ˡpطcطɴA(ch)ycH˜ʽ܉GB/T1037-2021Ҏ(gu)ԇ^͸|(zh)׃څʽɷ֞ط͸|(zh)uӴcp...[Ԕ]

  • ϱĤƬĦϵ(sh)yxyԇ

    ϱĤƬĦϵ(sh)yxyԇ

    2022-04-25zyĿĦϵ(sh)njɂ|ĦһNڌHbҲQτbC\D(zhun)^һ㶼ҪĤ(ni)Ħϵ(sh)^Сֲ^Сtƴ͕rBϲ(wn)a(chn)e߅ĤcbCτӽĦϵ...[Ԕ]

  • GB/T 1038˜ϱĤͱƬw͸^ԇ򞷽 

    GB/T 1038˜ϱĤͱƬw͸^ԇ򞷽 

    2022-03-01GB/T1038˜Ҏ(gu)ÉyϱĤͱƬw͸^͚w͸^ϵ(sh)ԇ򞷽1.ԇԭϱĤƬ͉Һ͸߉ҷ_߉ҳмs105Paԇw͉ҵwe֪ԇܷձÌ͉҃(ni)՚鵽ӽֵ...[Ԕ]

  • ϱĤͱƬˮ͸^ʵĜy tⷨ

    ϱĤͱƬˮ͸^ʵĜy tⷨ

    2022-02-16GB/T26253-2010ϱĤͱƬˮ͸^ʵĜytzy˜Ҏ(gu)˲ützyyˮ͸^ʵԇ򞷽һxˮ͸^ʡҎ(gu)ԇl,ԇ_ƽrλrg(ni)͸^λeƷˮע:˜...[Ԕ]

  • ϱĤyxc͹ԭ

    ϱĤyxc͹ԭ

    2022-01-14ĤĺǷһǙzyĤܵĻA(ch)@ȻһΌӱĤĺȲӰ푵Ĥ̎쏊ȡָܵӰ푱Ĥĺm(x)ӹ⣬a(chn)ƷĺȲȡĿ܉߮a(chn)Ʒ|(zh)߀ܽͲϵ...[Ԕ]

  • ܛϟĤb^ߜضˬԵC

    ܛϟĤb^ߜضˬԵC

    2022-01-12㟟İb^аbܛܟĤˬӰ푰bC\мbٶȵҪһԣܛܰbĦϵ(sh)ĴСcbĤضȸߵкܴP(gun)ϵ㟟a(chn)F(xin)bĤă(ni)c໥|a(chn)Ħ^ڳMеȻڰ...[Ԕ]

  • ϱĤܔLʜyԇC

    ϱĤܔLʜyԇC

    2022-01-11ԇCWϙzyxęzyxԇCmϱĤͺϲܛ|(zh)bϡܛzճzճzt(y)NxͼoĤMwٲĤϡozwSȮa(chn)Ʒx׃Ρ˺...[Ԕ]

  • GB/T 10006-2021 ĤͱƬ Ħϵ(sh)Ĝy

    GB/T 10006-2021  ĤͱƬ Ħϵ(sh)Ĝy

    2022-01-10ԓ˜Ҏ(gu)һNyϱĤͱƬc|(zh)_ʼĦ^Ħϵ(sh)ķ˜m^Ȟ0.5mmķճϱĤͱƬ(ºQĤ)ԓ˜Ҫ|(zh)һf,漰o늺|,ֲض...[Ԕ]

  • P(gun)GB/T 9639yԇ˜ʵϱĤS_ԇCzy

    P(gun)GB/T 9639yԇ˜ʵϱĤS_ԇCzy

    2022-01-05֪ϱĤ͛_DZĤҪָ֮һ,_􏊶ֵߵֱӰ푵Ĥײ,ĤڰbʳƷˎƷ,߀Ӱ푵(ni)ﱣ|(zh)ϱĤS_zyxÝِɃxΪa(chn)S_ԇxBMC-HԓO(sh)(zh)...[Ԕ]

  • GB/T 10004-2008P(gun)ڰbϏͺĤ̏Ȝyԇ

    GB/T 10004-2008P(gun)ڰbϏͺĤ̏Ȝyԇ

    2022-01-04ϱĤͺϱĤʹǰbϵҪָ֮һ䌦Ʒb(ni)Ʒй^b^ĴҪͺĤĴ̏MЙzyԜp،ba(chn)Ӱʹ׃|(zh)й¶ˣܶʳƷ...[Ԕ]

  • ϱĤʹĦϵ(sh)xĜy

    ϱĤʹĦϵ(sh)xĜy

    2021-12-30Ħϵ(sh)njɂ|ĦһN΢^ϱǰ͹ƽɷN໥|r挍|ֻ͹̎͹̎ԭӾoܽ|γɺ܏໥|l(f)Ƅӕr@NӲԼɽ|͹̎໥ײl(f)...[Ԕ]

  • zyϷIw_oŤO(sh)B

    zyϷIw_oŤO(sh)B

    2021-12-21֪ϷIw^ҪܷƿwҲҕһҪʹù-__ƿwҪ^⣬϶׌M߲ڮa(chn)ƷMwϲ̫M⣬Ԍˮa(chn)I(y)@ǂڵĆ}NJY-H5ȫ...[Ԕ]

  • GB/T 8808-1988 ܛ|(zh)ͺϲτxԇ򞷽

    GB/T 8808-1988 ܛ|(zh)ͺϲτxԇ򞷽

    2021-12-14GB/T8808-1988˜Ҏ(gu)Ϗͺϻ(X)ϵĸNܛ|(zh)ͺϲτxĜy1ԭ팢Ҏ(gu)ȵԇ,һٶ,MT̈́x,yͺόcĵƽx2ԇO(sh)䎧ЈDӛbõ...[Ԕ]

  • ASTM D1894-2014 ϱĤoB(ti)̈́ӑB(ti)Ħϵ(sh)Ĝyԇ

    ASTM D1894-2014 ϱĤoB(ti)̈́ӑB(ti)Ħϵ(sh)Ĝyԇ

    2021-12-131.xĦɂw֮gm(x)ƄĦϵ(sh)@߅Ƅӵ߅ıҪʹõƄӵһoB(ti)Ħϵ(sh)@߅Ƅӵ߅ıҪʹõƄӵһƄ^СӑB(ti)Ħϵ(sh)@߅...[Ԕ]

  • GB/T 1038-2000 ϱĤͱƬw͸^ԇ򞷽 

    GB/T 1038-2000 ϱĤͱƬw͸^ԇ򞷽 

    2021-12-101x1.1w͸^ں㶨ضȺ͆λ,ڷ(wn)͸^r,λrg(ni)͸^ԇӆλeĚwweԘ˜ʜضȺ͉µweֵʾ,λ:cm3/m2.dPa1.2w͸^ϵ(sh)ں㶨ضȺ͆λ,ڷ(wn)͸^r,λrg(ni)...[Ԕ]

  • Ȼܴ1000꣬Ĵڕrghι

    Ȼܴ1000Ĵڕrghι

    2021-11-16вW(wng)Ⱦa(chn)һNҪȾ֮܉ɞһNҪȾԭyԽ׌ȻȻôͨҪM2001000겻ȣͨϴȻrgҲL_20040...[Ԕ]

  • ˎƷbϜyԇx֮ˎƿĜyԇ

    ˎƷbϜyԇx֮ˎƿĜyԇ

    2021-11-01ˌF(xin)b|(zh)һwO(jin)أˎMS|(zh)ܿءba(chn)|(zh)cЧʰѿءbƷ|(zh)һwMˎƷbȫLUzyˎI(y)Լˎa(chn)I(y)횓ЌI(y)ƌWݵˎƷbzyxcֶܿˎƿzyxB1ˎ...[Ԕ]

  • \ՄϱĤ͸ܵĜyԇ

    2021-09-30ϱĤͱƬܛbϾгɱ|(zh)pӹ׵ă(yu)cʳƷˎƷȸNîa(chn)ƷbоЏVđ(yng)á(j)ͬĹ̺͑(yng)ҪϱĤͱƬܛbϵҪͬЕrҪĸԣԷֹЕrҪ͸^õĵڰb(ni)ĽQϱĤͱƬܛb...[Ԕ]

  • ƿƿƿȵĜyԇʽ

    ƿƿƿȵĜyԇʽ

    2021-09-24ƿba(chn)ďSҶ֪ڌƿӺȵĜyƿסȻSa(chn)ƷͶЈ󣬷ČӳFĆ}ʹÌƿȵĜyҲɞP(gun)TcO(jin)yָˣoՓᘌηN|(zh)ƿƿƿڵĺșzydzSǰ...[Ԕ]

  • GB T 17200-2008 z͏ԇC(q)ӣg(sh)Ҏ(gu)˜

    GB T 17200-2008 z͏ԇC(q)ӣg(sh)Ҏ(gu)˜

    2021-09-061˜Ҏ(gu)ں㶨(q)ٶ¹mz,ϺճӲԇõԇϵy(tng)ļg(sh)Ҫ˜Ҳmڏ,к͉sԇϵy(tng)һԇϵy(tng)Hmڲϵij޵ķ2g(sh)ZͶxg(sh)ZͶxmڱ˜2.1...[Ԕ]

  • QB/T 2358-1998 ϱĤbϏԇ򞷽O(sh)x

    QB/T 2358-1998 ϱĤbϏԇ򞷽O(sh)x

    2021-09-031O(sh)c1.1O(sh)ԇC:yʾֵ(yng)ڱPM̶ȵ15%~85%֮gx(sh)ʾֵ`(yng)ڡ1%֮(ni)1.2Θ˿:^öȞ0.02mmֱ:^öȞ1mm2ԇ2.1ȡλDʾքeϱĤbĂ(c)...[Ԕ]

  • GB 8808-1988 ܛ|(zh)ͺϲτxԇ򞷽xB

    GB 8808-1988 ܛ|(zh)ͺϲτxԇ򞷽xB

    2021-09-01һyԇԭ팢Ҏ(gu)ȵԇӣһٶMT̈́x(c)ͺόcޱĵƽxyԇƷ1ԇߴA1500.1mmL200nmڏͺϱĤB000.2mmL150mm...[Ԕ]

  • ȫԄƿwŤ؜yԇxʹ÷ͲEf

    ȫԄƿwŤ؜yԇxʹ÷ͲEf

    2021-08-19ƿbʳƷˎƷջИI(y)õİbʽ֮һƿwio_ŤֵĴСa(chn)λxھcƵš(sh)֮һŤֵǷma(chn)Ʒg\ݔԼ^KMкܴӰƿwŤؙzyһxŤ؃xɜyԇِ...[Ԕ]

  • ϷIƿwܷܵęzy

    ϷIƿwܷܵęzy

    2021-08-18ܷǰbһҪָܷܵĺÉֱӰ푵ba(chn)Ʒ(ni)Ʒ|(zh)ܷܜyԇҪͨ^ҳʹˮеԇӮa(chn)(ni)≺^yԇӃ(ni)wrжԇӵܷܣͨ^ҳգʹԇӮa(chn)(ni)≺^...[Ԕ]

  • ϱĤ[N_yԇԭԇx

    ϱĤ[N_yԇԭԇx

    2021-08-17Ĥ[N_􏊶DZĤҪzyָ֮һҘ˜Ҳ_Ҏ(gu)˱Ĥ[N_􏊶ȜyԇҪGB/T8809-2015˜вҎ(gu)£һyԇԭ팢ԇӹ̶ԇӊA,ʹ[NʽĤ_ԇCě_^һٶ›_...[Ԕ]

  • ϱĤƬS_ԇCĜyԇԼyԇO(sh)

    ϱĤƬS_ԇCĜyԇԼyԇO(sh)

    2021-07-14ϱĤ͛_DZĤҪָ֮һ,_􏊶ֵߵֱӰ푵Ĥײ,ĤڰbʳƷˎƷ,߀Ӱ푵(ni)ﱣ|(zh)ڡԇ򞷽cE飺GB9639˜ʌԇӊA늴Fλb_ͷobS^ao...[Ԕ]

  • オُƣڵĜyԇx

    オُƣڵĜyԇx

    2021-07-06オُ202051ՌʩһA񹲺͇Ҙ˜ʣwȫϼƷ˜ʻg(sh)ίTオُҎ(gu)オُg(sh)ZͶxҪԇ򞷽zҎ(gu)tb\ݔA档ԓ˜...[Ԕ]