基本解释[环境科学技术]扶手橡胶带英汉例句双语例句A device and a method for repairing the moving handrail of a passenger conveyor is closed.在乘客运送装置的栏杆上设有移动扶手。ip.comhandrail conveyor更多例句专业释义环境科学技术扶手橡胶带