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电子延时雷管(EDD)是日本旭化成株式会社花费10年时间研制成的新型段发电雷管。它的最大特点是应用集成电路的电子定时器进行延时控制,因而可以做到; (1) 在10ms到8000ms内能以1ms的
Electronic delay detonator (EDD) is Japan’s Asahi Kasei Corporation spent 10 years developed a new section of the power generation detonator. Its most prominent feature is the application of integrated circuit electronic timer delay control, which can be done; (1) within 10ms to 8000ms to 1ms