平稳地下套管的英文

• hang inside

• 平稳:    steady; smooth and steady; s ...
• 地下:    on the ground
• 套管:    drivepipe; annular tubes; br ...
• 平稳地:    on an even keel; placidly; reposefully; smoothly
• 下套管:    case in; casing installation; casing ru ing; casing running; hand inside; land casing; line the hole; make of casing; pipe driving; ru ing casing; run casing; running casing