The result shows that the discharge of the "Three Wastes" in Jiangsu Province is increasing, but the rate is lower than before.
结果表明，江苏省“三废”排放量虽然呈增长的态势，但增长速度低于以往的平均增长速度。
The preparation method has the advantages of safe and simple operation, less discharge of the three wastes, being environment-friendly and the like.
本发明的制备方法具有操作安全、简单，三废排放量少，对环境友好等优点。
The invention has the advantages of high efficiency, energy saving, thermal insulation, no need of timber and clay, light weight and no discharge of three wastes in the production process.
使用本发明的效果高效节能，绝热、保温，不用木材和粘土，重量特轻，生产过程无三废排放。
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