Good operating environment, dust emissions meets the national standards.

操作环境良好，粉尘排放达到国家标准要求。

youdao

Closed system, negative pressure operation, no dust emissions, a good operating environment.

系统全封闭，微负压操作，无粉尘飞扬，操作环境好。

youdao

As part of our efforts to reduce emissions we installed new bag filter type dust collectors at Huangshi plant and installed online metering of smoke and dust emissions.

在黄石公司，我们安装了新的脉冲袋式除尘器和在线烟尘在线监控装置。

youdao

Those infrared emissions will allow the telescope to peer through cosmic dust and gas to see things like the evolution of early stars and galaxies.

VOA: standard.2009.05.14

Two-thirds of the price was subsidized by the city, which estimates that it has replaced almost a hundred thousand coal stoves since the project began, five years ago, cutting down on sulfur and dust emissions.

NEWYORKER: Green Giant