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本文相关评论:( 共1条 )"); document.write("  声明:以下评论来自网民自行粘贴,不代表本报观点。"); document.write("
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1楼"); document.write("网友:下岗工人 Time: 2008-11-25 22:08:04 
化油器回火是.曲轴飞轮储能.不能克服上止点.点火提前角点火.点燃混合气.使曲轴飞轮倒转.配气机构反向运动.进气门打开.气缸内高压燃烧的火窜出化油器.引起火灾.
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