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当安装柴油机等动力设备的地点都是坚硬岩层，敷设基枕木很困难肘，我们采用了一种简便的“钻眼灌注”法，其施工程序如下：（图1）
When installing diesel engine and other power equipment in hard rock formations, it is very difficult to install base sleepers. We have adopted a simple “hole filling” method. The construction procedure is as follows: (Figure 1)