问题
单项选择题
液压大钳移送气缸两边拴()钢丝保险绳。
A.Ф12.7m
B.Ф15.9mm
C.Ф19mm
答案
参考答案:A
液压大钳移送气缸两边拴()钢丝保险绳。
A.Ф12.7m
B.Ф15.9mm
C.Ф19mm
参考答案:A
用所给单词的适当形式完成短文。
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