The emergency bilge suction or bilge injection valve is used to prevent _____ of the ship.

If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilg

During the suction stroke, the piston is moving _____.A.inwardsB.outwardsC.downwardsD.upwa

Generally speaking, suction heads require to be _____ for high speed or large capacities t

The emergency bilge suction or bilge _____ is used to prevent flooding of the ship.A.injec

Who is in charge of paying the claims？A．The Homesite Insurance Company.B．Federal Emergency

A campus emergency ______ occur at any time of the day or night, weekend, or holiday,