题目内容
(请给出正确答案)
提问人:网友luyang823
发布时间:2022-01-07
[主观题]
Centralized oil and gas recovery system: the vacuum pump is in the tanker, usually one pump and one gun.
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China is an example of a highly centralized society.
A.Y
B.N
C.NG
A.close to
B.further from
C.*
D.*
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