一、概况在开展新技术运动中，提出了锚杆挡墙及利用水平钻孔排除地下水等新技术。过去，我们从未打过水平钻孔，试验前心中是无数的。曾有两种不同看法，有人认为过去都打垂直孔，现在要钻水平孔，既没经验，也没设备，产生了怀疑。但也有人认为，只要紧紧依靠党的领导，依靠群众的智慧，困难是 I. Overview In carrying out the new technology movement, put forward the anchor rod retaining wall and the use of horizontal drilling to eliminate groundwater and other new technologies. In the past, we had never drilled horizontal holes, and there were countless hearts before the test. There were two different views. Some people think that in the past, vertical holes were drilled and horizontal holes were now drilled. There was neither experience nor equipment and there was doubt. However, some people think that as long as they firmly rely on the party’s leadership and rely on the wisdom of the masses, the difficulties are