Misfiring in a diesel engine at light loads can be caused by()
A. high lube oil temperature
B. low lube oil temperature
C. excessive cylinder cooling
D. high air injection pressure
在7750SR上,查看设备电源运行情况的命令是()
A. show card
B. show chassis
C. show mda
D. show slot
E. show power
锅炉运行工况热效率简单测试,测试方法是采用采用反平衡法。
A. 正确
B. 错误