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【多选题】
分子伴侣A.
可使肽链正确折叠
B.
可维持蛋白质空间构
C.
在二硫键正确配对中起重要作用
D.
在亚基聚合时发挥重要作用
E.
以上都不正确
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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
【简答题】scavenging air box______________ Be manufactured of ____________. Be built of a number of ___________ provided with ____________.
【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】不是描写七夕节的是 ( )。
A.
月上柳梢头,人约黄昏后。
B.
天阶夜色凉如水,卧看牵牛织女星。
C.
金风玉露一相逢,便胜却人间无数。
D.
两情若是久长时,又岂在朝朝暮暮
【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 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
【单选题】不是描写七夕节的是 ( )。
A.
月上柳梢头，人约黄昏后。
B.
两情若是久长时，又岂在朝朝暮暮。
C.
天阶夜色凉如水，卧看牵牛织女星。
D.
金风玉露一相逢，便胜却人间无数。
【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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