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Self-propelled sweepers and scrubbers tank and hopper capacity rating .

自推进的扫墓和洗涤坦克和料斗的能力评价。

More efficient scrubbers mean more contaminants in wastewater .

更高效的洗涤器意味着需要处理废水中的更多的污染物.

Scrubbers and precipitators can make coal , the dominant fuel , more acceptable .

通过使用脱硫和除尘设备，大家就更容易接受煤炭这种主要的燃料了。

Most environmentalists were pushing a " command-and-control " approach , with federal officials requiring utilities to install scrubbers capable of removing the sulfur dioxide from power-plant exhausts .

大部分的环保主义者们都在推行一种“管理控制”的方法，而联邦官员们要求电力公司安装能够消除发电站排气装置排出的二氧化硫的净化器。

So three years ago , when allegheny energy decided to install scrubbers to clean the plant 's air emissions , environmentalists were overjoyed .

于是在3年前，当阿勒格尼能源公司决定安装洗涤塔以清洁工厂的排放废弃时，环保主义者们都喜出望外。