短语词组短语pinch -roller 夹送辊pinch h roller 压轮Pinch Roller Assembly 压带轮组件pinch roller arm 压带轮臂pinch roller table 夹送辊hr pinch roller 热轧夹送辊Motor of pinch roller 牵引电机belt tightener pinch roller 紧带轮 返回 pinch roller