【判断题】【消耗次数：1】
对轴向尺寸较大的回转件，必须采取措施，使其各质量产生的离心惯性力的向量和以及各离心惯性力偶矩的向量和均等于零，使回转件同时作包含以上两种内容的平衡，称为动平衡，该说法（ ）
①
正确
②
错误
参考答案：
复制
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相关题目
随机题目
【单选题】
A culture in which the citizens share similar religious beliefs and values is more likely to have laws that represent the wishes of its people than where citizens come from _________ backgrounds.
①
identical
②
dramatic
③
extensive
④
diverse
【单选题】
_____ is it_____ made Peter_____ he is today?
①
What; that; that
②
That; that; what
③
What; what; that
④
What; that; what
【单选题】
It was during summer breaks that we first taste the satisfaction work that ____ into hard currency.
①
translates
②
transfers
③
transplants
④
transmits
【单选题】
At her word she stood up and walked away, stopping at the window to pull back the curtain and ____.
①
look round
②
look out
③
look up
④
look on
【单选题】
The linguists’ main interest had been to____ and describe
languages.
①
analyze
②
express
③
command
④
comment
【单选题】
We should always keep in mind that ____ decisions often lead to bitter regrets.
①
hasty
②
instant
③
promp
④
rapid
【单选题】
While being questioned on the court, the man denied
____ the old lady’s necklace.
①
having taken
②
taking
③
to have taken
④
to take
【单选题】
She will have to find somewhere else to work, for she
can’t ____this loud noise any longer.
①
come up with
②
catch up with
③
keep up with
④
put up with