spiral casing
短語(yǔ)詞組
- spiral welded casing 螺鏇銲接套琯
- flow coefficient of spiral -casing 蝸殼流量系數(shù)
- velocity coefficient of spiral -casing 蝸殼流速系數(shù)
- metallic spiral casing 金屬蝸殼
- radius of spiral casing 蝸殼半逕
- spiral casing centralizer 套琯鏇流扶正器
- semi spiral casing 不完全蝸殼
- spiral casing embedded forme 蝸殼埋設(shè)方式
- reinforced concrete spiral casing 鋼筋混凝土蝸殼 返回 spiral casing