1·The axial-radial roller bearing is a special slewing bearing design.
这种轴颈向滚子轴承是一种特殊的回转轴承的设计。
2·Based on an analysis on the variation of cutting edge length of symmetrically shaped bucket in slewing conditions, a non-symmetrical bucket shape is presented.
本文在分析对称形铲斗回转时切削刃长度变化的基础上，提出一种非对称铲斗斗形。
3·The rings of slewing bearings with a diameter of several metres are frequently cut into segments for ease of transport or installation.
五环的回转轴承直径几米切成段常为便于运输和安装。
4·Due to their design, these slewing rings can transmit radial and axial loads as well as tilting moments.
由于其设计，这些回转环可以传输径向和轴向负载以及倾斜的时刻。
5·Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。