unlimited pump

Noun

A kind of deep-well pump placed at the level of the water, and operated from above ground.

Japanese Meaning

水面と同じ高さに配置され、地上から操作される深井戸用のポンプ

The maintenance crew lowered the unlimited pump to the water level and tested its operation from the surface.

整備班は地上から操作される水位に設置された深井戸ポンプを慎重に井戸に下ろして、作動を確認した。

Sense（1）

A kind of deep-well pump placed at the level of the water, and operated from above ground.

unlimited pumps

（ plural ）