齿缘套管的英文

• jagged casing

• 齿:    tooth
• 缘:    reason
• 套管:    drivepipe; annular tubes; br ...
• 绝缘套管:    empire tube; i ulated sleeve; i ulating sleeve; i ulatingsleeve; insulated sleeve; insulating bushing; insulating sleeve; insulation sleeve; insulation thimble; partition insulator; spaghetti tubing
• 细绝缘套管:    spaghetti