问题
单项选择题
On a long ocean tow，the bridle should be made up of two equal lengths of（）.
A.chain
B.wire
C.nylon
D.manila
答案
参考答案：A
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On a long ocean tow，the bridle should be made up of two equal lengths of（）.
A.chain
B.wire
C.nylon
D.manila
参考答案：A