When the air charge contacts with the cylinders and pistons and mixes with the residual gases, it will（）
The exhaust gases for a new engine should be （） when the engine operates under full load.
As to the greenhouse effect, the author________
The atmosphere（）certain gases mixed together in definite proportions.
The process to remove exhaust gases by blowing in fresh air is called （）.
Diesel engine blow-by is the leakage of combustion gases past the （）
（） is the removal of exhaust gases by blowing in fresh air.
土壤源温室气体 soil-borne greenhouse gases
The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）
Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by （）
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? （）
In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the（）
Knowledge of word formation is a useful source for developing vocabulary. The word “greenhouse” comes from the ______ , and the word “motel” comes from the ______ .
Preventing the atmosphere—stopping ozone depletion and the greenhouse effect—is an environmental necessity.
The increase of greenhouse gases_________
将序列（p, h, n, d, y, a, f, q, x, m, c, e）中的关键码按字母升序重新排序， 初始步长为4的shell排序一趟扫描的结果为（用一个空格分隔字母） Sort the key of sequence （p, h, n, d, y, a, f, q, x, m, c, e） in ascending alphabetical order. The result of a
The two elements ,______water is made up are the gases oxygen and hydrogen.
The molecules of gases move more freely than____.
The release of large quantifies of the greenhouse gas methane as permafrost melts will speed up ______.
From the passage we know that "the greenhouse effect" is an effect in which______.
The United States is the world's No. 1 emitter of greenhouse gases.
In the compound word greenhouse, we find the primary stress on the second part of the
The climate on our planet（)become warmer and warmer with the increase of the warming gases.
