The key greenhouse gases emitted by human activities remain in the atmosphere for_______(
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When the air charge contacts with the cylinders and pistons and mixes with the residual gases, it will()
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The exhaust gases for a new engine should be () when the engine operates under full load.
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As to the greenhouse effect, the author________
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The atmosphere()certain gases mixed together in definite proportions.
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The process to remove exhaust gases by blowing in fresh air is called ().
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Diesel engine blow-by is the leakage of combustion gases past the ()
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() is the removal of exhaust gases by blowing in fresh air.
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土壤源温室气体 soil-borne greenhouse gases
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The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by ()
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Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by ()
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The two most common gases used in pneumatic system are ()
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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? ()
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In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the()
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Knowledge of word formation is a useful source for developing vocabulary. The word “greenhouse” comes from the ______ , and the word “motel” comes from the ______ .
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Preventing the atmosphere—stopping ozone depletion and the greenhouse effect—is an environmental necessity.
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The increase of greenhouse gases_________
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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
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The two elements ,______water is made up are the gases oxygen and hydrogen.
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The molecules of gases move more freely than____.
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The release of large quantifies of the greenhouse gas methane as permafrost melts will speed up ______.
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From the passage we know that "the greenhouse effect" is an effect in which______.
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The United States is the world's No. 1 emitter of greenhouse gases.
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In the compound word greenhouse, we find the primary stress on the second part of the
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The climate on our planet()become warmer and warmer with the increase of the warming gases.