你可能感興趣的試題

單項(xiàng)選擇題

Entering from seaward，triangular-shaped daymarks are used to mark（）.

A.the starboard side of the channel
B.the centerline of the channel
C.an obstruction where the preferred channel is to starboard
D.special purpose areas

單項(xiàng)選擇題

During the day，a vessel with a tow over 200 meters in length will show（）.

A.a black ball
B.a diamond shape
C.two cones，apexes together
D.one cone，apex upward

Environmental loading consists of the forces caused by wind，waves，and（）.

你可能感興趣的試題

Entering from seaward，triangular-shaped daymarks are used to mark（）.

During the day，a vessel with a tow over 200 meters in length will show（）.

Environmental loading consists of the forces caused by wind，waves，and（）.

During the day，a vessel with a tow over 200 meters in length will show（）.