slewing造句
Slewing bearings are basic components widely used in construction machinery industry.
回转支承是工程机械行业的重要基础件.
It is used for the crane
slewing bearing.
这是用于起重机的回转支承.
The single - row four point contact ball
slewing ring is composed of two seatring.
单排四点接触球式回转支承,由两个座圈组成,结构紧凑、量轻、球与圆弧滚道四点接触,能同时承受轴向力、向力和倾翻力矩.