tunned
美
英 
词形变化
过去式:tunned
英汉解释
例句
Analysis of a injury and death accident caused due to a ventilation pipe suddenly collapsed at a main transport tunned of mine
矿井主运输巷道供风管突然垮塌所引发的一起伤亡事故分析
Strict Process Control, Realizing Transportation Security of the Inclined Tunned
严格过程控制实现斜巷运输安全