词汇	段孔
释义	段孔 Duàn Kǒngsector hole
随便看	well cleanout well cleanout liquid well cleanout, well cleanup well-cleansed well cleanup Wellclose well-closed well closed container well-coached wellcoes well collimated beam well-collimated beam well collision well-coloured well-combined well-completed well completing test well completion well completion data well completion method well completion methods well completion pipe string well completion system well completion technologies well completion technology