The camshaft is used to open and close the valves with the motion of the pistons.
举一反三
- A __________ changes the up-and-down motion of the pistons into spinning motion.
- It is held in the crankcase in the cylinder block and converts the reciprocating motion of the pistons into a rotary motion for the drive wheels．
- The period when both inlet valves and exhaust valves are open is referred to as （）.
- The reciprocating motion of the pistons is changed to rotary motion as the crankshaft spins. 这句话的意思是旋转运动就转化为活塞的往复直线运动。
- Due to _____ action of pistons some relative motion between parts in contact in the coolant supply and return system must occur.