该生产工艺设备简单，消耗低，无“三废”污染，经济效益好。

This technological process is simple in equipment, low in consumption, free from wastes and good in economic benefit.

youdao

该生产工艺设备简单，消耗低，无“三废”污染，经济效益好。

This technological process is simple in equipment, low in consumption, free from wastes and good in economic benefit.

youdao