A、the burning
B、the fuel
C、the air charge
D、the engine piston
更多“The burning of the fuel adds more heat to the air charge, causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?（）”相关的问题
A、A.the burning of the fuel； medium shaft B、B.fuel spray； fresh air C、C.fuel； fuel spray D、D.the burning of the fuel； the burned gas mixture
A、A.smothering the burning material B、B.chemical combination with burning material C、C.absorbing the burning material D、D.organic destruction of the burning material
A、A.flush water over any burned area of the patient B、B.apply ointment to the burned areas on the patient C、C.get assistance to shut down electrical power in the area D、D.remove the patient from the vicinity of the live electrical equipment or wiring
A、penetrates to the bottom of the fire B、is kept saturated with low-velocity water fog C、mixes with the burning fuel oil D、completely covers the top of the burning liquid
A、the beginning of the compression stroke B、the beginning of the suction stroke C、the end of the working stroke D、the end of the exhaust stroke
A、fuel spray； the burning of the fuel B、the burned gas mixture； connecting rod C、medium shaft；crankshaft D、the burned gas mixture； piston rod
A、temperature of compression B、atomization of the fuel C、penetration of the fuel D、all of the above
A、At the beginning of the compression stroke B、At the beginning of the suction stroke C、At the end of the working stroke D、At the end of the exhaust stroke
A、the type of coolant B、the design of the engine C、the type of fuel to be burned D、B and C
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