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【单选题】
中标人应当就分包项目向招标人负责,接受分包的人就分包项目承担( )责任。A.
直接责任
B.
连带责任
C.
完成责任
D.
义务
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皮皮学刷刷变学霸
举一反三
【单选题】The scavenging box is built of a number of sections provided with vertical flanges enabling them _____ together to form. two blocks.
A.
being bolted
B.
bolted
C.
bolting
D.
to be bolted
【单选题】How is sealing between the liner and the top of the scavenging air box achieved?
A.
It is achieved by washers.
B.
It is achieved by stuffing box.
C.
It is achieved by the rubber rings fitted into the slots machine-turnecl in the liners.
D.
It is achieved by sealing rings fitted into the slots in the scavenging air box.
【单选题】_____ of the A-frames there is a strong cast iron frame. called the scavenging air box.
A.
At the top
B.
At the bottom
C.
In the top
D.
In the bottom
【单选题】How is sealing between the liner and the top of the scavenging air box achieved?
A.
It is achieved by washers.
B.
It is achieved by stuffing box.
C.
It is achieved by the rubber ring fitted into the slots in the machine-turned in the liners.
D.
It is achieved by sealing ring fitted into the slots in the scavenging air box.
【简答题】试述机床功率不足现象出现的原因及其解决方法。
【单选题】How is sealing between the liner and the top of the scavenging air box achieved?
A.
It is achieved by washers.
B.
It is achieved by stuffing box.
C.
It is achieved by the rubber rings fitted into the slots machine-turned in the liners
D.
It is achieved by sealing rings fitted into the slots in the scavenging air box. 通过
【简答题】在极限与配合国家标准中,孔和轴的公差带大小由 决定,公差带位置由 决定。
【单选题】How is sealing between the liner and the top of the scavenging air box achieved? .
A.
It is achieved by washers.
B.
It is achieved by stuffing box.
C.
It is achieved by the rubber rings fitted into the slots machine-turned in the liners
D.
It is achieved by sealing rings fitted into the slots in the scavenging air box.
【单选题】On top of scavenging air box is mounted a strong cast iron frame. for each cylinder known as_____.
A.
cooling jacket
B.
cylinder liner
C.
piston crown
D.
cylinder cover
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