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【简答题】
由一系列相互啮合的齿轮组成的传动系统称为 ,按其传动齿轮的 在空间的相对位置是否 ,可将轮系分为 和 。
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反馈参考答案：
举一反三
【单选题】The following scenario relates to the following three questions P & Co maintain a receivables ledger control account within the nominal ledger. At 30 November 20X0, the total of the list of individual...
A.
1, 3, 4 and 5 only
B.
1, 4 and 5 only
C.
1, 2, 5 and 6 only
D.
2, 3, 6 and 7 only
【多选题】使用救生抛投器应注意以下哪些事项（）。
A.
不准对准人发射
B.
将气瓶压力调至工作压力范围
C.
考虑现场风力、风向
D.
发射角度不大于30度
E.
发射角度不小于50度
【单选题】Why do Will's parents stay away from each other? (the following three from P.332-337)
A.
Because they might have an argument
B.
Because they are not satisfied with Will’s decision on Alicia's wedding
C.
Because they have different opinions towards Louisa
【简答题】Direction: Complete the following sentence with a proper word from your textbook on P. 118. Change the form if necessary. The only problem is that we just lost Janet on check three. (n.)
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