Because of explosive materials is a kind of combustible and detonable product, so it is necessary that security evaluation should be conducted systematically and seriously.
民爆器材是一种广泛应用的易燃易爆品，它的安全性评价是系统的、细致的和必要的。
Because of explosive materials is a kind of combustible and detonable product, so it is necessary that security evaluation should be conducted systematically and seriously.
民爆器材是一种广泛应用的易燃易爆品，它的安全性评价是系统的、细致的和必要的。
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