... underhanglining吊框支柱 underhole底部掏槽 underholing底部截槽 ...
基于138个网页-相关网页
... 下部构造infrastructure 下部掏槽underhole 下侧undersideundersurface ...
基于96个网页-相关网页
underhole e 底部掏槽
kerve
Underhole drilling technology solved the difficulties of drilling in wet layers, deepened the drilling under water, and found an effective method of drilling hi pouring crushing layer.
潜孔锤泡沫钻进技术彻底攻克了潜孔锤在潮湿地层钻进的难关，加深了潜孔锤水下钻进的深度，找到了一条在涌水破碎地层进行潜孔锤钻进的有效途径。
youdao
应用推荐
模块上移
模块下移
不移动