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
参考答案：查看无
答案解析：无
答案解析：无
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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