supporting
roller
lower supporting roller下托錕;下托輥
machine rotation supporting roller機身回轉支重滾輪
tire-supporting roller支承窯輪帶的托輪
supporting roller group托輥組
solid supporting roller實心導輥
supporting roller bearing托輪軸承
Supporting Roller Wheel支承滾輪
buffering supporting roller緩沖托輥
box supporting roller秧箱滾輪