pollution deposit 中文意思是什麼
pollution deposit
解釋
污染沉積物-
The whole output of pvc is 884 thousand tons in china in 1998, with 16 - 17 million tons of calcium carbide - slag, the pvc ' s yield is increasing every year in additioa so much saponification slag needs a large cover of field to deposit with a terrible smell, at the same time they pollute the surround environment how to make full use of saponification slag to reduce the pollution
1998年全國用電石法生產聚氯乙烯約88 . 4萬噸，共產生電石渣約160 ? 170萬噸，且聚氯乙烯的產量每年都在增加。皂化渣需佔用大片場地存放，散發出的異味對周圍環境有一定污染和影響。如何變廢為寶 -
Methods for the measurement of air pollution - deposit gauges
空氣污染的測量方法.第1部分:沉積測量計
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