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【单选题】
（）are used for anchor gear in marine work where the chains must withstand the corrosive effects of seawater.
A.
Chains
B.
Wires
C.
Ropes
D.
Lines
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Which type of link is generally used to connect shots of anchor chain（）.
A.
Detachable
B.
Open
C.
Pear shaped
D.
Stud link