A.cargo pump pressure gauges
B.crossover lines interconnecting two pumps
C.suction side of pumps
D.atmosphere through pump vents
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A.advance
B.cavitation
C.edging
D.slip
A.a not knowing
B.an unknowing
C.an unknown
D.a not known
A.brake
B.devil's claw
C.pawls
D.All of the above
A.sand
B.soft soil
C.stiff clay
D.heterogeneous soil
A.shear ram
B.blind ram
C.pipe ram
D.annular ram
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Anchors are prevented from running out when secured by the（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
Each cylinder in a two stroke cycle engine experiences combustion（）.
The purpose of a bilge well is to（）.
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
The C02 flooding system is actuated by a sequence of steps which are（）.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.
In nautical terminology a dog is a（）.