我们必须重视豎井的工程,豎井是鑛山生产的生命线,是联络坑内外的重要通路。如果没有一个完善的、工程质量安全的、而工程进度又是迅速的豎井,则鑛石的输送、材料的运搬、人员的升降,以及鑛量的補充等等计划的实现 We must attach importance to the construction of shafts, which are the lifeline of mine production and an important gateway to the inside and outside of the pit. If there is not a perfect, engineering quality and safety, and the progress of the project is also a rapid shaft, the ore transport, material transport, personnel movements, as well as the completion of the plan to achieve mine replenishment