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山东聊城管理段为了减少路面和磨耗层配料时的计算手续,制造了一种袖珍式的矫形图解器。这种仪器不但可以在料场配料时直接求算某种材料的取舍,而且对文化程度较低的养路工作人员也可以使用。它的构造:用三合板(胶合板)做成盒子,盒中放置一块矩图板(在图板上贴一张方格纸,方格纸上绘
Shandong Liaocheng management section In order to reduce the pavement and wear layer ingredients when the calculation procedures to create a pocket-sized orthopedic plotter. This kind of instrument not only can directly calculate the choice of a certain kind of material in the yard material, but also can also be used to the maintenance staff with lower education level. Its structure: with plywood (plywood) made of boxes, boxes placed in a rectangular map board (on the board affixed to a graph paper, graph paper painted