问题
单项选择题
The knot used to join two lines of different diameter is a（）.
A.square knot
B.carrick bend
C.becket bend
D.sheepshank
答案
参考答案：C
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The knot used to join two lines of different diameter is a（）.
A.square knot
B.carrick bend
C.becket bend
D.sheepshank
参考答案：C