slimhole英s'lɪmhəʊl美s'lɪmhəʊlBNC¹⁷³⁹⁹⁵⁺² 基本例句 小井眼¹⁰⁰ The applications show that the efficiency of cluster slimhole wells is higher than that of vertical slimhole wells, and that the economic benefits are remarkable. 实践证明，小眼丛式井比小眼直井钻井效率高，社会效益及经济效益显著。 chemyq