5812| 5
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正常汽油發(fā)動機(jī)汽油和空氣的混合比例是多少? |
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點(diǎn)評
恩,國家弄不好是現(xiàn)在的人喜歡走捷徑,又不創(chuàng)新。買現(xiàn)成的多好!
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點(diǎn)評
查了下,是14.7-14.8
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