observation window
短语词组
- observation E window 觀察窗
- observation time window 觀測時窗
- Lockout Observation Window 鎖定觀察窗口
- Arc observation window 弧光觀測窗
- Infrared observation window 紅外觀察窗口
- wide observation window 寬觀察窗
- quartz observation window 石英玻璃窗
- Door observation window 門觀察窗
- airtight observation window 密閉觀察窗 返回 observation window