... poor①劣质的,贫的②(混淆气)稀的 poor air-fuel mixture稀混淆气 poor grip(车胎)附着性差 ...
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poor air-fuel mixture
空气-燃料混合不良
以上为机器翻译结果，长、整句建议使用 人工翻译 。
At low temperatures, mixture formation is poor due to the large fuel droplets concerned, and due to the inefficient mixing of the fuel with the air drawn in by the engine.
低温时，燃油黏度和密度增大，且发动机所吸入的空气无法与燃油充分混合，从而影响油气混和气的形成。
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