The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.<br>A:advance<br>B:head reach<br>C:pitch<br>D:transfer

The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
A:advance
B:head reach
C:pitch
D:transfer

出自：海船船员证

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