三废[sān fèi]
{环保} the three wastes (waste gas; waste water; industrial residue):
例：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
1. thethreewastes：thethreadofaspiderwed 蜘蛛丝 | thethreewastes 三废 | thetimeoffertilization 受精时
2. 三废
2. threewastes：threevidiconfilmcamera 三视像管电视电影摄像机 | threewastes 三废 | threewaycirculation 三方式循环
3. waste water, waste gas, solid waste：有机污染物:organic pollutants | 三废:waste water,waste gas,solid waste | 城市垃圾:urban refuse