下套管总量的英文

• amount of casing

• 下:    below; down; under; undernea ...
• 套管:    drivepipe; annular tubes; br ...
• 总量:    total; aggregate; inventory; ...
• 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
• 浮法下套管:    floating the casing