查询英语单词释义、音标、发音、例句与词形变化。
sight glass for vacuum equipment
[化] 真空设备视镜
sight glass shield
[化] 视镜护罩
sight glass with covering
[化] 带罩视镜
sight glass with nozzle
[化] 带颈视镜
sight glasses
[医] 观察镜