单项选择题
A.blocks have been overhauled B.hauling parts of two tackles are attached C.hauling part leads through the movable block D.hauling part leads through the standing block
A ballasted vessel sinks enroute to a dry dock. Under t...
单项选择题A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.
A.actual total loss B.constructive total loss C.general average D.particular average
A backlash below a lock is defined as a（）.A.current set...
单项选择题A backlash below a lock is defined as a（）.
A.current setting your vessel on the wall B.current setting into the lock chamber C.an eddy working along the lower guide wall D.current setting counterclockwise
A “spring line” is（）.A.any wire rope used for mooringB....
单项选择题A “spring line” is（）.
A.any wire rope used for mooring B.a fire-warp C.a mooring line running diagonally to the keel D.a mooring line perpendicular to the keel
