你可能感興趣的試題

The use of the danger signal（）.

A.replaces directional signals
B.makes the other vessel the stand-on vessel
C.indicates doubt as to another vessels actions
D.is the same as a MAYDAY signal

單項(xiàng)選擇題

The two main types of load cells used in mooring tension gauges are（）.

A.distortion and compression
B.hydraulic and mechanical
C.magnetic and applied torque
D.frictionless and hydraulic