1·The fracture characteristics of bolt connecting the pedestal with slipway in a two-way moving slide valve was analyzed.
对双动滑阀装置上连接基座与滑道的螺栓在使用过程中发生的断裂进行了分析。
2·The advantages and disadvantages of several types of caisson precasting, such as dock-type precasting, caisson platform precasting, sloping slipway precasting, etc.
介绍预制沉箱的几种形式,如坞式预制、沉箱台座预制、斜坡滑道预制等的优缺点,重点介绍比较常用的沉箱预制台座的各种不同形式。