电梯术语
电梯行业中的专业术语
倾斜段到水平段曲率半径 radius of curvature form sloping to horizontal segment
倾斜段到水平段曲率半径（radius of curvature form slo...
梯路设计中结构参数 structure parameter in design of step route
梯路设计中结构参数（structure parameter in design ...
自动扶梯四周开口部安全措施 safety measure round the exit-inlet for escalator
自动扶梯四周开口部安全措施（safety measure round the e...