问题
单项选择题
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
A.fatigue
B.corrosion
C.distortion
D.abrasion
答案
参考答案：A
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Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
A.fatigue
B.corrosion
C.distortion
D.abrasion
参考答案：A