3344| 13
|
什么聚氨酯可以在低溫-30℃保持彈性 |
| ||
| ||
| ||
| ||
點(diǎn)評(píng)
對(duì)啊,我以前就遇到過,,出口老毛的,,那邊要求是-50度能正常用
為啥找俄羅斯呢,因?yàn)樗麄兡潜容^冷嗎
| ||
| ||
| ||
點(diǎn)評(píng)
行不行到時(shí)候反饋下,。
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-4-21 15:58 , Processed in 0.078926 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.