| 释义 |
fire damp短语¹⁴⁴⁹⁷²⁺²
基本英英例句
n.沼气甲烷
名词 firedamp:
a mixture of gases mostly methane that form in coal mines and become explosive when mixed with air The engineers and technicians are still conferring on the unexpected accident of the fire damp explosion.
工程师和技术员们还在讨论此次瓦斯爆炸的以外事故。 koolearn
To dilute gas concentration, most coal mine use local fan ventilate, and decrease the possibility of fire damp explosion.
当前国内一般采用局部通风机进行矿井通风，以稀释瓦斯浓度，消除煤矿事故隐患。 cnki
Objective To discuss some emergent measures about disposing paroxysmal fire damp explosion.
目的探讨突发特大瓦斯爆炸的有效医疗应急措施。 dictall |