Terms containing built-in delay detonator

Subject	English	Chinese
expl.	built-in delay detonator	嵌人式延时雷管
expl.	Connectors with built-in delay detonators, allowing the design of complex delay shots, became available as early as the 1950s	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