Prior to entering a cargo pump room, you should ensure that _____.A.the forced ventilating

The damaged cargo is not allowed to export without （).A.Repairing or replacingB.To repair

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

Heavy residual fuel oils are heated prior to centrifuging to ______.A.reduce fuel weightB.

The quality infects had existed prior to（).A．shipmentB．shipC．carD．airplane

The gear pump belongs to the （) pump.A.positive displacementB.reciprocatingC.centrifugal

Prior to my arrival they had a meeting.