Crew members must also pump mud of the proper weight into it.

此时要向井筒中泵注适当比重的泥浆。

youdao

Crew ate informed to pump out the water to free the liferaft from water.

通知船员将水泵出，让救生筏从水中浮起。

youdao

After the toilet first broke down last week, the station's crew replaced its pump with a spare they had on board.

NPR: Space Toilet Awaits Repair Mission

Crew members tried to plug the tear with wooden pegs and pump the water out.

BBC: Boat sinks after stricken tug crew rescued off Devon coast

The crew will track the adventurer using the latest GPS equipment and feed him air from an onboard pump.

BBC: NEWS | UK | Scotland | Monster underwater marathon bid