正确答案: B
B.触火面
题目:吊缸检修时,对气缸盖应着重检查()的损坏情况。
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学习资料的答案和解析:
[单选题]舵杆工作轴颈与舵叶轴承孔同轴度检验前,先将舵杆与舵叶组装在一起,并使()。
舵杆与舵叶法兰结合面贴紧和法兰连接螺栓中至少有4个紧配螺栓
[单选题]The scavenging air ports are located at () that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
such a height