短語(yǔ)詞組短語(yǔ)pyrotechnic pistol [軍]信號(hào)槍;煙火信號(hào)槍pyrotechnic code [通信]煙火信號(hào)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(jìn)劑pyrotechnic shock 煙火沖擊pyrotechnic delay 煙火延時(shí) 返回 pyrotechnic