短語詞組短語controlled directional well drilling 遙控定向井鉆進directional hole drilling 導向鉆成孔directional core drilling 巖心定向取心directional horizontal drilling 側(cè)鉆水平井Directional sliding drilling 定向滑倒鉆進directional circulation drilling technology 正循環(huán)鉆進directional well drilling 定向鉆井remote -controlled directional well drilling 遙控定向井鉆進optimized directional drilling 優(yōu)化定向鉆井 返回 directional drilling