The ______ ignites the air-fuel mixture,which burns very rapidly to produce gases at high pressure in the cylinder.
A. distributor
B. camshaft
C. spark
D. engine
查看答案
The cylinder ______ is bolted to the top of the cylinder block.
A. gasket
B. piston
C. cover
D. head
The cylinder head is made of______ alloy
A. copper
B. iron
C. steel
D. aluminum
A ______ is fitted between it and the top of the cylinder head to provide an oil seal.
A. cover
B. piston
C. head
D. gasket
Flywheel______ tends to keep it rotating at a constant speed.
A. inertia
B. quality
C. movement
D. weight
微信支付 
支付宝支付