The explosion characteristics of purecoal dust were studied.
实验研究了纯煤尘的爆炸特性。
2
The explosion characteristics of purecoal dust and coal-methane mixtures were studied experimentally in this paper.
本文就此针对纯煤尘和煤尘-甲烷混合物的爆炸特性进行了实验研究。
3
For example, a steam engine can use coal, newspaper or wood for the fuel, while an internal combustion engine needs pure, high-quality liquid or gaseous fuel.