coal-dust的意思|示意

He became ill after breathing in a lot of coal dust for many years.

多年来他吸入了大量煤尘，后来他得了病。

Miners are finished extracting coal here, and the sides of the tunnel have been sprayed with quicklime to suppress explosive coal dust.

矿工们已经完成了这里的煤炭开采，坑道两壁都喷上了生石灰以防止煤尘爆炸。

It's suffused with a thick smog that's a perpetual sulphur-yellow, and suffocated by motes of coal dust suspended in the breeze.

它弥漫着一层永远都是硫化黄色的浓雾，微风里浮着的煤尘微粒让人窒息。

She called down something about coal dust and sawdust, someone called back up to her, and she laughed.

她朝楼下说了一句煤灰和锯屑的话，有个人回了她一句，她发出笑声。

A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling.

煤砖，炭砖把煤灰，木炭或锯木灰和木片压缩制成的砖块状物，用作燃料和点火。

The problem of methane or coal dust in a mine's air is relatively easy to solve.

沼气或者煤渣的问题解决起来相对容易。