The temperature difference between the inlet and outlet temperature of the lube oil cooler in the lubricating system for the diesel engine is generally between （）.

The opening or closing of the cylinder starting valve i...

单项选择题The opening or closing of the cylinder starting valve is controlled by （）.

Suppose the rated capacity of the main engine of a ship...

单项选择题Suppose the rated capacity of the main engine of a ship is 10,000 KW at 100 rated rpm, then when at 80 rpm its capacity should be （）.

Cylinder wall temperature, fuel oil supplier, and oil p...

单项选择题Cylinder wall temperature, fuel oil supplier, and oil passage （）.