electric delay line [电子] 电延迟线

electric delay fuse 延时信管 ; 迟发电信管

electric delay igniter 延期电点火具

mechano-electric delay 机械电延迟

electric delay blasting cap 定时电雷管

time-delay switch electric circuit 延时开关电路

delay electric igniter 延期电点火器

electric-light delay 电光延迟

electric c delay line 电延迟线