In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the （）.

In addition to lubricating, cylinder oil assists in for...

单项选择题In addition to lubricating, cylinder oil assists in forming a gas seal and contains （） which clean the cylinder liner.

In a typical fuel system, the oil is stored in （） in th...

单项选择题In a typical fuel system, the oil is stored in （） in the double bottom.

In a typical fuel oil system, the oil is stored in tank...

单项选择题In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.