conveyor idler meaning in English

托轮
运输带托滚
运输机托辊

Structural improvement to belt conveyor idlers
带式输送机托辊的结构改进
Technical condition of belt conveyor idler bearing for coal mining
煤矿用带式输送机托辊轴承.技术条件
Development of new conveyor idlers in no need of processing tube ends for installing bearings
新型免加工止口托辊的研制
This paper discusses machining , assembling and welding techniques of different parts of belt conveyor idlers . it has some reference value to batch production of idlers
摘要分析了带式输送机托辊各部件加工制造工艺及组装焊接工艺，对托辊的批量生产具有一定的参考意义。