A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.<br>A:cutoff<br>B:outdraft<br>C:lockwash<br>D:springpool

A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.
A:cutoff
B:outdraft
C:lockwash
D:springpool

出自：海船船员证

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