spiral casing
短语词组
- spiral welded casing 螺旋焊接套管
- flow coefficient of spiral -casing 蜗壳流量系数
- velocity coefficient of spiral -casing 蜗壳流速系数
- metallic spiral casing 金属蜗壳
- radius of spiral casing 蜗壳半径
- spiral casing centralizer 套管旋流扶正器
- semi spiral casing 不完全蜗壳
- spiral casing embedded forme 蜗壳埋设方式
- reinforced concrete spiral casing 钢筋混凝土蜗壳 返回 spiral casing