短语词组短語curved spring bar 弧形表殼耳簧curved -bar grillage 曲杆梁格curved profiled bar 彎型杆curved type bar screen machine 弧形格柵除汙機spatial curved bar 空間曲杆an elastic curved bar 彈性曲杆space curved bar 空間曲杆curved bar spreader 弓形展毯輥;弧形舒展輥 返回 curved bar