The carriage left a trail of dust.
马车后扬起了一缕。
The carriage left a trail of dust.
马车后扬起了一缕。
There is smut on the windows.
窗户上有。
The process treating roast dust from zinc pyrometallurgy is,in general,the second roasting by rotary kiln.
处火法炼锌高温流态化焙烧过程所产
,采用回转窑二次焙烧流程。
It's annoying that the chimneys of those plants in the city eject a lot of smoke every day.
"城里工厂囱每天都吐出大量
,很是讨厌。"
What are put down by us are not only bricks, stones, steel, concrete and limbers, but culture as well.
除了文化,就是这些文化载体,也在推
机
中消散殆尽了。
The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.
通过对煤矿锅炉噪声治治
研究,阐述了通过采用隔声罩
机械通风冷却设施对引风机
鼓风机
降噪治
。
In this paper,the practice of producing nanometer zincite and concentrating indium from the dust of smelting lead was introduced in detail.
文章详细介绍了利用铅冶炼生产纳米氧化锌并富集铟
生产实践。
It is brought forward a technique craftwork of dust remove of acetylith soot by analysis of acetylith soot . It takes a good effect .
本文对电石特征进行分析,提出了电石炉
气除
工艺方案,经实践取得较好
效果。
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