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【判断题】
In order to achieve line contact and improve the load carrying capacity of the crossed axis helical gears, the gear can be made to curve partially around the pinion, in somewhat the same way that a nut envelops a screw. 翻译:为了得到线接触和改进螺旋齿轮的横向轴向的传动载荷能力,大齿轮可能被做成弯曲形状以围绕小齿轮,有时类似于螺帽套在螺钉上,这样的结果就是圆柱形的涡轮蜗杆。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】前列腺癌的标志
A.
AFP
B.
CEA
C.
PSA
D.
CA125
E.
CA15-3
【单选题】Regret can be valued and used to _____.
A.
help people to choose a less risky option
B.
help you make better decisions
C.
help you prioritize your relationships
D.
help people to achieve their personal and career goals
【单选题】以下哪一种不是碧桃常见的栽培品种
A.
白花碧桃
B.
寿星桃
C.
垂枝碧桃
D.
紫叶桃
【简答题】Please follow the video and immitate the conversation.
【简答题】康布斯认为个人知觉与学习的具有怎样的关系?
【单选题】— Did ______ have a good time? — Yes. We really enjoyed ______. [     ]
A.
you all, ourselves
B.
all you, ourselves
C.
you all, us
D.
all you, us
【单选题】Learning Esperanto has been demonstrated to help with learning other foreign languages.
A.
Y
B.
N
C.
NG
【简答题】Ivy filled her life with meaning by launching a program to help poor children. [Y] [N] [NG]
【单选题】If you have a () diet, you are getting all the vitamins you need.
A.
balanced
B.
bankrupt
C.
biased
D.
boring
【单选题】电缆用阿拉伯数字表示外护层构成,有 ____( )_____ 个数字。
A.
1
B.
2
C.
3
D.
4
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