副井是相对主井而言的，在地下采矿作业的巷道布置过程中，一般情况下，设置有主井和副井两种井筒。
本文介绍了地面预注浆施工技术在杨柳煤矿副井中的应用。
The thesis presents the application of surface pre-grouting to construction of auxiliary shaft in Yangliu coalmine.
介绍了水口山矿务局康家湾矿副井罐笼内新型阻车器的设计方案及其应用效果。
This paper introduced the design plan and application effect of new type cage bar in Kangjiawan Mine, Shuikoushan Bureau of Mines.
介绍了可编控制器（LC）制的副井口液压联动装置的控制原理、构及应用效果。
The paper introduces the operating principle, structure and operated result of hydraulic interlocking device with PLC controller for the mouth of Service shaft.
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