单项选择题
A.move to port B.move to starboard C.move directly down D.stay in the same position
Horizontal transverse motion of a vessel is known as()....
单项选择题Horizontal transverse motion of a vessel is known as().
A.pitch B.surge C.sway D.heave
Horizontal fore or aft motion of a vessel is known as()...
单项选择题Horizontal fore or aft motion of a vessel is known as().
A.pitch B.surge C.sway D.roll
Heave is motion along the().A.longitudinal axisB.transv...
单项选择题Heave is motion along the().
A.longitudinal axis B.transverse axis C.vertical axis D.centerline axis