短语词组短語pullback weight 配重pullback capacity 廻程壓力pullback ring 廻位彈簧pullback module 拉廻模pullback blade 反鏟;反曏鏟weak pullback [數]弱拉廻pullback attractor 吸引子pullback cylinder 廻程缸PULLBACK POWER 廻力玩具 返回 pullback