idler wheel中间齿轮;惰轮;上滑轮;滚轮
IDLER ARM付邦呔;转向从动臂;空转臂;空转轮臂
FRONT IDLER引导轮;前空转轮;导向轮
capstan idler主导轴惰轮;主导轴空转轮
Idler Roll无载托辊
Idler Roller托辊;伊德勒辊;惰辊
troughing idler槽形支承辊;槽带惰轮;槽型托辊
carrier idler输送带的托带轮;托辊;普通辊子;支持滚轮
Idler set托辊组
N-COUNT（可数名词） If you describe someone as an idler, you are criticizing them because you think they are lazy and should be working. 懒人; 游手好闲者[表不满]
This man was no idler - he worked harder than anyone I knew.
此人一点也不是懒汉-他比我认识的其他任何人都更勤快。