![]() |
發(fā)布時(shí)間: 2012-11-14 10:12
正文摘要:1.密封型 1)由漸開(kāi)線和擺線組合而成 2) 其ηv略遜于擺線嚙合的螺桿泵 3) &nbs ... |
|關(guān)于我們|網(wǎng)站地圖|油氣儲(chǔ)運(yùn)網(wǎng)
( 魯ICP備11007657號(hào)-3 )
GMT+8, 2025-9-4 19:39 , Processed in 0.024760 second(s), 19 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.