题目内容

配气机构是根据柴油发动机气缸的工作次序,定时地进、排气门,以保证毛缸及时排出废气和吸进新鲜空气

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制动时,制动缸活塞杆伸出的长度称为制动缸活塞

下列File类的构造方法格式,错误的是()

A. File(File parent)
B. File(String pathname)
C. File(String parent, String child)
D. File(URI uri)

大型养路机械出现脱线事故,其车架垂直倾斜角度超过时,不能直接进行顶复作业()

A.2°
B.5°
C.10°

“请大家按顺序排队”翻译成英文()

A. Go through the gate one by one, please!
B. You may take line 1 to the BEIDAJIE ZHAN, and transfer to the line 2 to BEI KEZHAN.
C. You are going in the wrong direction. Use your right hand to hold the ticket when going through the gate.
D. You can get the ticket by using note\coins,This is the note \coins slot

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