三废

sānfèi

the three wastes (i. e. waste gas, waste water, and industrial residue)

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san1 fei4

three types of waste product, namely: waste water 廢水, 废水, exhaust gas 廢氣, 废气, industrial slag 廢渣, 废渣

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三废

sān fèi

{环保} the three wastes (waste gas; waste water; industrial residue):

从三废中回收和提取大量有用物质 salvage large quantities of useful materials from the three wastes

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三廢|三废 [sān fèi] ► three types of waste product, namely: waste water ↑廢水|↑废水 [fèi shuǐ], exhaust gas ↑廢氣|↑废气 [fèi qì], industrial slag ↑廢渣|↑废渣 [fèi zhā]