槽形辊子输送机 [机] froughed roller conveyor ; troughed roller conveyor

槽形托辊 trough idler ; roller ; Trough roller ; Slotted roller

深槽形托辊 deep-trough idler

槽形调心托辊 trough centring idler

槽形托辊的分类 trough idler

槽形托辊组 Trough roller unit

槽形三辊支承 trough rollers

槽形支承辊 troughing idler

菱形槽纹胶辊 [橡胶] rhombic grooved roller