A、propeller velocity
B、speed of advance
C、wake distribution
D、wake fraction
更多“As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.”相关的问题
A、the rudder should be moved through its full extent B、the rudder should be moved in starboard direction C、the rudder should be moved with the ship at maximum speed D、the rudder should be moved with the ship at minimu
A、downward and inward flow B、downward and outward flow C、upward and inward flow D、upward and outward flow
A、Don’t shift the guy as you like. B、Don’t shift the stay as you like. C、Don’t move the derrick as you like. D、Don’t move the crane as you like.
A、A.the speed of the vessel B、B.the speed of the propeller C、C.the wake D、D.the wake fraction
A、the work of using lines and chains to secure the cargo on board B、the lash work C、the work of putting dunnage，keeping the cargo in position and not move when the ship is rolling and pitching D、the lashing work
A、makes a cargo reach the farthest destination B、makes the ship go as far as she can C、is the most significant change in shipping industry D、is the most economical change in shipping industry
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