套腸衣系統(tǒng) barrel casing feed pump: 筒式給水泵; 筒形給水泵sight feed glass casing: 透視玻璃盒feed system: 送料系統(tǒng)。 casing collection system: 套管氣收集系統(tǒng)mud line casing support system: 泥線套管支承系統(tǒng)下載手機(jī)詞典可隨時隨地查詞查翻譯