开挖设备 meaning in English

excavating plant
excavation equipment

Liuzhou joysun machinery limited company is a manufacturing enterprise whose major businesses are trenchless equipments and construction machinery
柳州钻神机械有限公司是一家以非开挖设备、工程机械为主营业务的大型生产制造型企业。
The local directional drilling is just staring in terrane , the equipments and the technologies ca n ' t satisfy far and far the spot construction needs , according to current circumstance and considing the existed equipments , the author put forward drilling by air hammer in terrane , having designed compounded - drilling tools , and recommended technology parameters . producing experiments have obtained good achievements in economic and in techniques
国内定向钻进铺管技术在岩层只是刚刚起步，设备、工艺远远不能满足现场施工需要，本文针对国内、外岩层定向钻进非开挖设备及工艺现状，结合国内大多施工单位的已有设备，提出岩层空气潜孔锤导向钻进工法，设计了适合岩层钻进的实用钻具，并提出具有针对性的工艺参数，生产性试验取得了良好的经济技术指标。