|
1293| 2
|
请问含1-2%苯、15%左右盐酸,其余蒸汽130度,用石墨换热器列管好还是块孔好? |
| ||
发表于 2022-4-20 11:39:48
显示全部楼层
| |
发表于 2022-4-20 11:39:48
显示全部楼层
| |
手机版|Mammoth Forum - Ride on Dreams, Live Up to Youth
GMT+8, 2026-1-14 23:40
Powered by 梦马论坛-以梦为马,不负韶华 © 2024-2099 Meng.Horse |