单项选择题
A.must to stand inoperative B.has to stand inoperative C.must be stood idle D.will stand idle
If the atomizer holes are enlarged beyond the makers re...
单项选择题If the atomizer holes are enlarged beyond the makers recommended size, the atomizer must be （）.
A.repaired B.replaced C.replenished D.repeated
If diesel oil in this tank is used, the （） of the oil m...
单项选择题If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.
A.viscosity B.flash point C.acid value D.temperature
Of a kind of liquid is used to cool the diesel engine, ...
单项选择题Of a kind of liquid is used to cool the diesel engine, it is invariably called （）
A.lubricant B.coolant C.combustion product D.second refrigerant
