... 电弧螺柱焊arc stud welding 吊装单元hoisting unit 定位焊Positioned welding ...
2
?起升机构
... 回转机构 Slewing unit 起升机构 Hoisting unit 变幅机构 Derricking unit ...
3
?起重设备
... hoisting line 提升钢丝绳,起重索,... hoisting unit起重设备, 提升设备... hoisting crane 起重机,升降起重机...
双语例句
1
After a drum is dismounted, a spared drum can be located on the drawworks by the hoistingunit, thereby the truck can te put into operation on another well.