Specifications for port rail - mounted high mast type crane 港口高塔柱式轨道起重机技术条件
2.
As the crane is static the mast sections are directly fishplate onto the 4 fixing angles corresponding to the mast type used 由于该起重机是固定式的,其塔节与四根固定角钢呈鱼尾形连接(译注:即对角线连接) ,而角钢的形式又与塔身类型相对应。