gate hoist meaning in Chinese

启门机
闸门提升机

Hydropower and water resources specification for design of gate hoist
水电水利工程启闭机设计规范
Hydraulic and hydroelectric engineering specification for design of gate hoist
水利水电工程启闭机设计规范
Specifications for manufacture , erection and formal acceptance of gate hoists in hydraulic and hydroelectric projects
水利水电工程启闭机制造安装及验收规范