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【单选题】
关于压缩空气启动装置的错误说法是（）。A.
气缸启动阀由空气分配器控制
B.
进入气缸的空气要经过空气分配器
C.
主启动阀由启动控制阀控制
D.
空气分配器由启动凸轮控制
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反馈参考答案：
举一反三
【简答题】英译中:Let's go half-way to meet each other and cut down the price at EUR 25.00 per piece.
【单选题】Questionsare based on the following passage． Modem mass·production methods lower the cost of making goods，and thus give US better values．At the same time，American ingenuity(独创性)and science are constan...
A.
the price of the goods should drop
B.
the quality of the goods should improve
C.
the price and the quality should both rise
D.
the quality and the price should both drop
【单选题】---When shall we go to the farm and pick apples? -----Let’s ____ it _____ half past six.
A.
make , in
B.
make, at
C.
make, /
【单选题】Why are mobile houses built?
A.
For convenience.
B.
To lower the cost.
C.
To obtain a loan from the bank more easily.
D.
To accomodate all the workers of a factory.
【单选题】What would be the effects on the EOQ and the total annual holding cost of (a decrease in the cost of ordering a batch of raw material) EOQ , Total annual holding cost A. Higher ...
A.
Higher Lower
B.
Higher Higher
C.
Lower Higher
D.
Lower Lower
【单选题】— It ’ s a quarter two now . Let's go swimming half an hour later . — OK . Let ’ s go at a quarter three .
A.
to; past
B.
to; to
C.
past; past
D.
past; to
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