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Permitted Explosive

许用炸药；[化工] 安全炸药

1、[化工]安全炸药

... 安全性能试验 safety performance test 安全炸药 permitted explosive 安斯巴彻尔单位 Ansbacher unit ...

2、煤矿许用炸药

... 岩石炸药 rock explosive 煤矿许用炸药 permissible explosive；permitted explosive；permissibles 被筒炸药 sheathed explosive ...

non-permitted explosive非安全〔特许

化学

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