常見例句雙語例句The production of industrial explosive is a high risk industry, but the safety management of many productive enterprises is still in the stage of relaxing management.民用爆炸物品生產(chǎn)作為一個高危行業(yè),很多生產(chǎn)企業(yè)的安全管理上還處于粗放管理階段。The perforator for oil-gas increases the blasting height between the explosive charge and pipe walls of the gun body perforation part, boasting high safety, reliability and low cost.該油氣井射孔裝置增大了射孔彈與槍身 射孔部位管壁間的炸高,具有安全可靠、密封性好及成本低的特點(diǎn)。ip.com 返回 high safety explosive