欧美午夜一区二区福利视频,久久综合亚洲色HEZYO国产,无码熟妇人妻AV在线网站,亚洲AV永久无无码精品一区二区三区

Lɳ“(lin)h(hun)Ƽ޹˾
ͨLmܵ//yT/ۉmUO(sh)һվʽԴ^S
mܵıزϑԓx?ómܵķ?
ϢԴ   l(f)rg2019-10-31   g[

ڳmܵO(sh)ӋزϑM»l


ڳmܵO(sh)ӋУ˜pٟpʧֹݔ^Ӱϵy(tng)\회ܵO(sh)Mн^^ɂһxmĽ^ϣxõĽ^Y(ji)(gu)^ϵx񑪝Mлl


(1)ܺϵ(sh)һ㲻^0.23W/(m*k)͟Ը


(2)Ͽ϶ʴܶСһ㲻^600kg/m3һęCеȣˮʵg١


(3)ɱb


زϷN࣬rVʯޡrʯĭϼƷ(VƷ)ʹÚ͹ܕrͨڹܵ^


klhb/pro/135.html#pro" target="_blank">mܵķ?

mܵ

ܵϵy(tng)DZCܵϵy(tng)؄eǺgԚwܵϵy(tng)\кʹÉҪʩҪDz÷ͿϺͷ


(1)Ϳ


ͿֽM:ҪĤ(ϳɘ֬Ȼ֬ϳɘ֬)oĤ(ϡጄ̻܄Ԅ)ͶγĤ(ɫP)


Ϳӷo֞(ni)goⲿgo:(ni)goÁx(ni)g|(zh)ܵO(sh)(ni)ڵĸg;Áxⸯg|(zh)ĸgb;ͬͿϵxҪҲͬ


(2)


ܵϵy(tng)ݔ͸gԚw|(zh)rɲ÷όܵO(sh)M̎õķӲ|(zh)PVCϡFRPȏͺr


Ӳ|(zh)ϩ(PVC)AgCеܺ⻬׶μӹʩSoȃ(yu)cǜؑ6OÛϵ(sh)ߡ


(FRP)pȸߡͻWg^ܺ90-180ضȵȃ(yu)cmڼӹǃrFʩ^Л]Юζ


⣬߀xòP䓰Ϗͺ~FRP/PVCȏͺϷ߀ڹܵO(sh)Ѓ(ni)rzTʯ






һl PLܞʲôg
һl LܵʩҪԼע
P(gun)T  News
ca(chn)Ʒ  Hot products
͑չʾ
(qun) © Lɳ“(lin)h(hun)Ƽ޹˾  ˾ַLɳ(jng)g(sh)_l(f)^(q)Ҵ嶡СM12̖  W(wng)ַhttp://ypxg.com.cn/  
̽y(tng)һôa914301005530045893  W(wng)վICP䰸̖ICP10014123̖-4  
| Զ| | | | | ̨| | ζ| | | п| Ϫ| ̶|