当你走进新开拓的巷道,首先闯入眼帘的是一条白白的线,俗称“腰线”。“腰线”是测工用白油漆画在石矿柱上,以便工人在打炮眼时掌握巷道标高。没有“腰线”等于盲人骑瞎马,那是万万不行的。这天,掌子头儿断了两棵矿柱,再不处理,易发生冒顶事故。二楞子和马大哈见状,三下五除二,就换上了两棵新矿柱。二楞子对马大哈说:“你看看,这柱子加固好了吗?”马大哈用手扳了两下,很牢固,脸上露出得意的神色,意思说,咱 When you walk into the newly opened roadway, the first thing you see is a white line, commonly known as the “waist line”. “Waistline ” is the test with white paint painted on stone pillars, so workers in the shot hole to grasp the alley elevation. No “waist line ” is equal to the blind riding a blind horse, it is absolutely impossible. This day, the palm head off the two ore pillars, and then not dealt with, prone to a roof accident. Erlangzi and Ma Daha see, three under five except two, they put on two new pillars. Two sturdy son said to Ma Daha: “You see, this pillar reinforcement it?” "Ma Dafa hand pull a couple of times, very firm, his face showed a proud look, meaning that we