The exhaust boilers are used to recover some of （） carried in the exhaust gas from the main engine.
In motor ship, （） is often used to recover some of the heat carried in the exhaust gases from the main engine.
The exhaust gases for a new engine should be （） when the engine operates under full load.
In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）, there being an adequate overlap between the inlet opening and the exhaust closing.
The atmosphere（）certain gases mixed together in definite proportions.
The process to remove exhaust gases by blowing in fresh air is called （）.
A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （） (1) MEP is lower and the scavenging air is cooling the exhaust gases (2) valve overlap in a four-stroke
Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by（）
Diesel engine blow-by is the leakage of combustion gases past the （）
（） is the removal of exhaust gases by blowing in fresh air.
The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）
A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （） (1) scavenging air is cooling the exhaust gases (2) exhaust cycle time is longer
In a diesel engine exhaust system, the cooling of the exhaust gases below their dew point, will result in （）
The two most common gases used in pneumatic system are （）
A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? （）
Which of the turbo-charging methods listed directs the exhaust gases to the turbine at fairly uniform velocity and pressure?（）
In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the（）
According to the way the energy of the exhaust gases is utilized, pressure-charging can be divided into two main systems, namely, the constant-pressure system and （）.
What is the name of the “cure” John and the doctor's are forcing upon the narrator in “The Yellow Paper”?
Forcing a solution occurs when the manager or another third party steps in and forces a solution on the conflicting parties.
The increase of greenhouse gases_________
The molecules of gases move more freely than____.
The United States is the world's No. 1 emitter of greenhouse gases.
The climate on our planet（)become warmer and warmer with the increase of the warming gases.
