我队1957年在虾硐陡岩等地的手掘坑探工作中,曾根据部颁山地工作经验,结合我队的工作条件,经工人与技术人员的研究,自制了一批木矿车、木转盘和木轨,在使用中,非但减低了工人的体力劳动,提高了运输速度,并相应地增长了攀岩的时间,对生产效率的提高创造了有利的条件,从而保证我队山地工作任务的超额完成,兹将规格和使用情况介绍于下: In 1957, our team worked on hand excavation and pit exploration work in the steep rock of Shidong and other places. According to the work experience of the ministerial mountainous region and the working conditions of our team, we made a batch of wooden car by our labors and technicians. Wooden turntable and wood track, in use, not only reduce the manual labor, improve the speed of transport, and the corresponding increase in rock climbing time, to improve production efficiency and create favorable conditions to ensure that my team mountain work tasks Over the completion of the specifications and usage will be introduced in the next: