摘要
GFC-120型钻机为自走式动力头回转反循环钻机,用于降水井和护坡桩基础孔以及小型水井的施工。介绍了其性能特点、主要技术参数、结构及工作原理。
Rig GFC - 120 is a kind of self moving reverse circulation rotary rigs. It is mainly used to drill side foundation holes and small water wells. The characteristics, main technical data, structure and performance principles were introduced.
出处
《探矿工程（岩土钻掘工程）》
2005年第12期35-37,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
