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【单选题】
一般参数的闭式软齿面齿轮传动的主要失效形式是 。A.
齿面胶合
B.
齿面点蚀
C.
齿面磨粒磨损
D.
轮齿折断
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】检查调整梗丝膨化塔气锁回转体调整片时，气锁调整片和锁体之间的间隙轴向无驱动端为（）mm。
A.
0.15～0.20
B.
0.20～0.25
C.
0.30～0.35
D.
0.40～0.45
【简答题】Criticism and self-criticism is necessary ________ it helps us to find and correct our mistakes. A) by that B) at that C) on that D) in that
【单选题】Do you want to write better emails in English? I can help you express yourself better. Follow me now.rst, send and receive emails. You can send an email to one or more people. It is important to write...
A.
one person
B.
many people
C.
one or more people
【简答题】Do youwant to write better emails in English? I can help you express yourself better.Follow me now. First,send and receive emails. You can send an email to one or more people. It isimportant to write ...
【单选题】Criticism and self-criticism are necessary ______ they help us to find and correct our mistakes.
A.
by that
B.
at that
C.
on that
D.
in that
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