问题描述：
[单选]
The cylinder cover is not provided with（）．
A．fuel valve
B．lubricator
C．indicator valve
D．the starting valve
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答案解析：无
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答案解析：无
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上一篇：The cylinder covers and the liners are bolted together by means of studs（）the cylinder frames．
下一篇：The cylinder contains a great weight of air and is capable of burning a great quantity of fuel at（）．
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