The whole test stand is mainly made of pump stage part, intake part, discharge part and data acquisition part.

整个试验台架由泵级部分、吸入部分、排出部分和数据采集部分组成。

youdao

"We've [also] got an indication that we can pump protons across the membrane" to set up a proton gradient, says Cronin - another key stage in harnessing energy from light.

克罗宁称，我们可以抽吸质子分布在细胞膜上，来设置形成一个质子坡度。

youdao

Mechanical seal: this type is especially suitable for multi-stage slurry pump in series and without leakage.

机械密封：该形式的密封特别适用于多级串联渣浆泵的密封，完全无泄漏。

youdao