问题描述:
[单选]
Operating conditions in the crank chamber are very()those in the cylinder.
A.the same as
B.similar to
C.separated from
D.different from
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答案解析:无
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上一篇:Piston No2 of main engine has been removed, and it will be()by noon tomorrow.
下一篇:Opening of the cylinder()will admit compressed air into the cylinder.
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