Pang Xidong Silver gold deposit, located in the boundary between Guangdong and Guangxi, is a big silver deposit associated with Au, Pb, Zn elements.
2
介绍垌利大桥预应力空心梁的施工工艺、施工程序、重要施工环节的质量控制。
The paper introduces the construction technique, construction process and quality control on key tache for the! Prestressed hollow beam of Tongmi Bridge.
3
庞西垌银(金)矿床是粤西北地区构造蚀变岩型银(金)矿床的典型代表之一。
The Pangxidong Ag(Au) deposit is a representative of its type in Northwest Guangdong Province.