单项选择题
The vertical movement of a vessel in the water is called（）.
A.pitch
B.sway
C.heave
D.roll
点击查看答案&解析
相关考题
-
单项选择题
The time required to incline from bow down to stern down and return to bow down again is called（）.
A.rolling period
B.amplitude moment
C.inclining moment
D.pitching period -
单项选择题
The principal action in changing from transit to survival draft in the event heavy weather threatens is（）.
A.ballasting
B.deballasting
C.disconnecting
D.hanging off -
单项选择题
The preferred method of controlling external bleeding is by（）.
A.direct pressure on the wound
B.elevating the wounded area
C.pressure on a pressure point
D.a tourniquet above the wound
