單項(xiàng)選擇題

The portable radio apparatus means（）.

A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
C.the radio equipment which is easily movable
D.the portable radio with some apparatus

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單項(xiàng)選擇題

The most common type of davit found on merchant vessels today is the（）.

A.radial
B.sheath-screw
C.gravity
D.quadrantal

單項(xiàng)選擇題

The holding capability of an anchor is primarily determined by the（）.

A.shape of the anchor
B.stowage of the anchor on board
C.anchor's ability to dig in
D.size of the vessel and its draft