题目内容
(请给出正确答案)
提问人:网友wk11766988
发布时间:2022-01-07
[主观题]
正时齿带检查内容有哪些?
简答题官方参考答案
(由简答题聘请的专业题库老师提供的解答)
1 ) 皮带是否老化 2 ) 皮带齿牙磨损是否正常 3 ) 皮带是否有裂纹 4 ) 皮带是否缺齿变形
A.the; a; the
B.the; the; 不填
C.the; a; the
D.the; a; 不填
B.①③
C.②③
D.①②③
A.Yes, she said she would be very glad to pass the message
B.No, she refused to pass Mary the message for Mr. Brown.
C.No. she couldn’t because she had forgotten Mr, Brown’s telephone number.
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