问题
单项选择题
The size of wire rope is determined by the（）.
A.number of strands
B.number of wires in each strand
C.circumference
D.diameter
答案
参考答案：D
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The size of wire rope is determined by the（）.
A.number of strands
B.number of wires in each strand
C.circumference
D.diameter
参考答案：D