An advantage of aluminum pistons， when compared to cast iron pistons is （）.
An advantage of aluminum pistons， when compared to cast iron pistons is （）.
确保两个活塞伸出长。 A: Make sure that the two pistons extend equally. B: Ensure the two pistons extend evenly. C: Ensure the two pistons extend uniformly.
确保两个活塞伸出长。 A: Make sure that the two pistons extend equally. B: Ensure the two pistons extend evenly. C: Ensure the two pistons extend uniformly.
A __________ changes the up-and-down motion of the pistons into spinning motion.
A __________ changes the up-and-down motion of the pistons into spinning motion.
Cylinder block holds pistons, the crankshaft and other parts.
Cylinder block holds pistons, the crankshaft and other parts.
For diesel engine piston cooling， lubricating oil can be supplied to the pistons by a/an （）.
For diesel engine piston cooling， lubricating oil can be supplied to the pistons by a/an （）.
The cylinders and pistons are in the upper part of the cylinder block and the crankshaft is in the lower part.
The cylinders and pistons are in the upper part of the cylinder block and the crankshaft is in the lower part.
A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）.
A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）.
Pistons may be made in （） in order to keep the weight down for balancing purposes at high speed.
Pistons may be made in （） in order to keep the weight down for balancing purposes at high speed.
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．
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．
Brake caliper contains one or more pistons which transmit the brake force hydraulically to the disk．
Brake caliper contains one or more pistons which transmit the brake force hydraulically to the disk．