夾皮溝为着對职工鑿岩技術的教育工作便利起见,製作了如下的鑿岩模型(见图)。此模型製作簡单,一般工人极易理解。模型的尺寸分为实际掌子的三分之一和五分之一兩種。用此模型作示範來講解時,即將装填棒按照实际炮孔的位置和长短角度,自第一个鐵網插入擺列即可。 Jiapigou In order to facilitate the education of workers’ rock drilling technology, the following rock drilling model was made (see figure). This model is easy to make and is easy for the average worker to understand. The size of the model is divided into the actual one-third and one-fifth of the two. Use this model as an example to explain, the upcoming loading stick in accordance with the actual position of the hole and the length of the angle, from the first iron mesh can be placed into the array.