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问题
填空题
间隔里程一般为1000-2000km,检查有关制动,操纵等安全部件的作业,属于()
答案
参考答案:
一级维护
选择题
He _____ to go to the office by the English teacher yesterday.
A. asks
B. asked
C. is asked
D. was asked
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单项选择题
检定电子计数式转速表时,在同一检定点连续读取()个被检表量显示值
A、5
B、8
C、10
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