sightglass brick的意思|示意
美 / /
英 / /
观察孔砖
sightglass brick的网络常见释义
监视器孔砖 ... 带热电偶孔盖板砖 cover board brick with thermojunction hole 监视器孔砖 sightglass brick 烧嘴砖 nozzle brick ...