Soot is usually the product of the imperfect combustion of fuel.
烟通常是燃料不完全燃烧的产
。
Soot is usually the product of the imperfect combustion of fuel.
烟通常是燃料不完全燃烧的产。
Soot is the product of the imperfect combustion of fuel.
烟是燃料不完全燃烧的产。
Afterwards " fuliginous model " , " photochemical smog " after pollution, modern is being entered with " indoor air is polluted " the 3rd generation that is a mark pollutes period.
“烟型”、“光化学烟雾型”
染后，现代人正进入
“
空气染”为标志的第三代染时期。
声明：
上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达
容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
