单选题The diesel engine is similar to the gasoline engine in that （）.Aboth of them are ignited by compressed airBboth of them are the forms of external combustion enginesCboth of them have spark plugsDthe power is developed by the piston in the cylinder
单选题
The diesel engine is similar to the gasoline engine in that （）.
A
both of them are ignited by compressed air
B
both of them are the forms of external combustion engines
C
both of them have spark plugs
D
the power is developed by the piston in the cylinder
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