utilization of the three wastes
...三废综合利用 multipurpose use of the three wastes; multipurpose use of three industrial effluents; multipurpose use of three types of wastes; multipurpose use of three wastes; utilization of the three wastes 森林综合利用 integrated forest utilization ..
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utilization of the three wastes
三废的利用
以上为机器翻译结果，长、整句建议使用 人工翻译 。