According to Barnant, the pumps are self-priming, can operate dry without damage, are suitable for slurries and viscous liquids, and contain no valves or seals.

泵是自我启动式的，可以进行空转，并不带来任何的损耗，非常适合于泥浆和胶黏性液体，不带有阀门和密封。

youdao

Supporting most of the internal combustion engine self-priming pump, mounted on a Mobile small car, suitable for field work.

自吸泵大部分与内燃机配套，装在可移动的小车上，宜于野外作业。

youdao

Normally, the cumulated water in top cover is drained to cumulated water well by gravity drainage, in emergency situation, the water would be drained by the self-priming pump installed in gallery.

顶盖内积水正常情况下通过自流排水排至积水井，紧急状态下通过装在廊道内的自吸泵排水。

youdao