david2016 发表于 2017-4-19 14:48:16

pump basic（泵的基础）

The English studying material for pump baisc concept. It is very useful for people who are engaged to understand preilimary idea of pump design.
If any one have further questions, please do not hesitate to contact me.

海慕之 发表于 2017-4-19 14:58:22

welcome，bra:lol

未来第一站 发表于 2017-4-19 15:41:25

楼主代理？

xiaobing86203 发表于 2017-4-19 16:01:23

感谢分享，是不是资料类，还是做产品广告？

david2016 发表于 2017-4-24 07:20:49

未来第一站 发表于 2017-4-19 15:41
楼主代理？

apologise 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 发表于 2017-4-24 07:21:25

xiaobing86203 发表于 2017-4-19 16:01
感谢分享，是不是资料类，还是做产品广告？

it is a good study material. Not for adversting. :)
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