短語詞組短語surface casing pipe 表層套管Shallow Surface Casing 表套surface casing strength 表層套管強度surface casing pressure 井口套壓surface casing cementing 表層套管固井batch cementing for surface casing 集中鉆固表層surface casing shaft guide -wall 套井casing surface 套管外表面 返回 surface casing