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

你可能感興趣的試題

單項(xiàng)選擇題

The transmission of messages respecting the dangers specified is free（）cost to the ships concerned.

A.of
B.on
C.at
D.in

單項(xiàng)選擇題

The towing light is a(n)（）.

A.flashing amber light
B.yellow light with the same characteristics as the sternlight
C.all-round yellow light
D.yellow light with the same characteristics as the masthead light