A、filling a partially tank
B、using an on board crane to life a freely swinging heavy object
C、emptying a partially filled tank
D、transferring ballast from the forepeak to the after peak
更多“A virtual rise in the center of gravitty may be caused by（）.”相关的问题
A、filling a partially filled tank B、using fuel from a pressed fuel tank C、emptying a partially filled tank D、transferring pipe from the setback area to the pipe rack
A、filling a partially filled tank B、using an on board crane to lift a freely swinging heavy object C、emptying a partially filled tank D、transferring ballast from the forepeak to the after peak
A、In the 13th century a Black Rod went between the two Houses of Parliament for liaison and to discipline the members. B、In the 13th century Parliament only met by royal invitation. C、In the 13th century Parliament's role was to offer advice,not to make decisions. D、In the 13th century the most important part of Parliament was the House of Lords.
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