爆破用雷管 – phrases

Terms containing 爆破用雷管 | all forms | in specified order only

Subject	Chinese	English
eng.geol.	爆破用雷管	cap
expl.	装有嵌人式延时雷管的连接器早在20世纪50年代已付诸使用、借此进行程序复杂的延时爆破设计	Connectors with built-in delay detonators, allowing the design of complex delay shots, became available as early as the 1950s