pump basic（泵的基礎）

david2016

The English studying material for pump baisc concept. It is very useful for people who are engaged to understand preilimary idea of pump design.
% a$ x2 s2 i/ l+ dIf any one have further questions, please do not hesitate to contact me.

海慕之

welcome,，bra

未來第一站

樓主代理,？

xiaobing86203

感謝分享,，是不是資料類，還是做產(chǎn)品廣告,？

david2016

未來第一站 發(fā)表于 2017-4-19 15:41
. i2 v0 i2 m2 D1 y1 v3 Q樓主代理,？

' O  T( L, L  y/ j0 Wapologise for confusing. I'm not here for adverstising. But for sharing the knowledge.
Thanks for reminding me and I will pay attetion to any information I share.

david2016

xiaobing86203 發(fā)表于 2017-4-19 16:01
$ W; z+ [0 B4 o& Y感謝分享，是不是資料類,，還是做產(chǎn)品廣告,？

( t. _6 R' }: M' m  H3 Tit is a good study material. Not for adversting.
* \2 t9 l/ x& ]/ Z