短語詞組短語pyrotechnic pistol [軍]信號槍;煙火信號槍pyrotechnic code [通信]煙火信號碼pyrotechnic charge 效果藥pyrotechnic system 并命令煙火式觸發(fā)系統(tǒng)pyrotechnic characteristics 煙火特性pyrotechnic flash 煙火閃光pyrotechnic propellant 煙火型推進劑pyrotechnic shock 煙火沖擊pyrotechnic delay 煙火延時 返回 pyrotechnic