Compared with other industries, mine cleaner production has obviously more difficulties and lags behind. It "s imperative to develop demonstration research on cleaner production of mines."
与其他行业相比，矿山清洁生产难度大且明显滞后，开展矿山清洁生产示范研究势在必行。
Yeah, my dad did it, he 's a dry - cleaner.
是的，我爸爸染的，他是干洗工。
A wet solvent is used instead of water thanks to a Frenchman in the 1800's named Jean Baptiste Jolly who accidentally spilled kerosene on a tablecloth and noticed that it made it cleaner.
湿溶剂是用来代替水感谢法国，在1800的命名让巴蒂斯特。Jolly谁无意中漏出煤油在一个桌布，并注意到它使人们更清洁。
A wet solvent is used instead of water thanks to a Frenchman in the 1800's named Jean Baptiste Jolly who accidentally spilled kerosene on a tablecloth and noticed that it made it cleaner.
湿溶剂是用来代替水感谢法国，在1800的命名让巴蒂斯特。Jolly谁无意中漏出煤油在一个桌布，并注意到它使人们更清洁。
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