pyrotechnical
短语词组
- pyrotechnical agent 烟火剂
- Pyrotechnical products 烟火制品
- Pyrotechnical toys 焰火玩具
- pyrotechnical detail 令人眼花缭乱的
- Pyrotechnical switch 点火开关
- pyrotechnical cartridge 信号弹
- pyrotechnical signal 信号弹
- pyrotechnical device 烟火装置
- pyrotechnical distress signal 烟火遇险信号 返回 pyrotechnical