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A structure，usually made of stone，or cement piling...

海船船员考试

单选题

A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.

发布日期：2021-03-22

A.dike

B.revetment

C.cutoff

D.crib

标签： structure made stone cement pilings

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