elevating mechanism meaning in Chinese

升降机构
升运机构
提升机械

Study on optical design mathematical model of gawood elevating mechanism of mototilters
自卸汽车加伍德式举升机构优化设计数学模型
The secondary elevating mechanism is equipped with pneumatic or manual device for customers to choose
二次举升机构配置油动或气动机构，供用户选择。
A mortar team consists of as many people as is necessary to carry the mortar tube , base plate , traversing & elevating mechanism , and ammunition
迫击炮组人员构成视需而定，主要进行搬运炮管、底座、炮架和瞄准具及炮弹。