詞語：mineshaft
mineshaft的意思
mineshaft 井筒;礦井;mineshaft bat 礦坑蝙蝠;
mineshaft的參考例句
1.The paper analyzed the geological and hydrological features of Jvye coal field, discussed the relative merits of various mineshaft construction method at surface-soil section in use. 分析了巨野煤田地質、水文特點，討論了表土段井筒施工的各種現有方法的優缺點。