正确答案: A
Ⅰ+Ⅱ+Ⅲ+Ⅳ
题目:气缸盖底面在较高的()等的恶劣条件下工作。Ⅰ.交变的机械负荷;Ⅱ.热负荷;Ⅲ.燃气腐蚀阀、孔;Ⅳ.冲刷;Ⅴ.冲击。
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学习资料的答案和解析:
[单选题]吊缸时,第二阶段的工作是()。
检测与修理
[单选题]在柴油机已装活塞运动部件的情况下测量臂距值时,为了准确测量臂距值()。
盘车一周应测完5个数值
[单选题]Fuel is not supplied to the corresponding cylinders due to ().
a failure of fuel pum
[单选题]The indications of a scavenge fire are excessive black smoke, () and peeling from scavenge trunking.
all above are right
[单选题]An increase in the air inlet manifold pressure of a diesel engine will result in a/an ().
decrease in fuel consumption per horsepower-hour
[单选题]Waterside scale in a fire-tube boiler may cause ().
overheated tube