2010年中国非开挖行业调查

9^th Trenchless Technology Survey in China

本文分析了中国地质学会非开挖技术专业委员会对2010年我国非开挖行业的调查和统计，主要是水平定向钻机的销售情况和非开挖管道修复与更换方法在管道工程施工中的应用情况，最后总结了2010年我国非开挖行业发展的几个特点。

The author of this paper introduces in-detail the 9th trenchless technology market survey in China （2010） , including the sales of horizontal directional drilling machines and the application of various trenehless rehabilitation methods, summarizes some important points about the development of trenehless technology in China over the past year.