pyrotechnical
短語詞組
- pyrotechnical agent 菸火劑
- Pyrotechnical products 菸火制品
- Pyrotechnical toys 焰火玩具
- pyrotechnical detail 令人眼花繚亂的
- Pyrotechnical switch 點火開關(guān)
- pyrotechnical cartridge 信號彈
- pyrotechnical signal 信號彈
- pyrotechnical device 菸火裝置
- pyrotechnical distress signal 菸火遇險信號 返回 pyrotechnical