A、the proper back pressure
B、the cooling water temperature
C、correct timing and proper seating
D、accurate metering and the exhaust temperature
更多“The satisfactory operation of diesel engine exhaust valves usually depends on（）”相关的问题
A、阅读下列程序段，说明程序执行后AL,BX的值。 B、OPE1 DB 3．．4 C、OPE2 DW 3345H, 6799H D、MOV AL, OPE1 E、MOV BX, OPE2 +1 F、SUB BL, AL H、INT 3 I、结果：AL=（）；BX=（）。
A、A.the vessel will shift to another berth B、B.loading is in normal progress C、C.she is expected to leave 2400 tonight D、D.the arrangement of her loading operations is far from satisfactory
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