短语词组短语Rubber O -rings 橡胶制环形密封圈O -rings 型圈PU O -rings 聚氨酯O型圈Elastomeric O -rings 弹性O型圈;翻译Elastomer O -Rings Damper 型圈阻尼器number of O -rings 密封圈数量Sulzer gripper booster O -rings 苏尔寿增压器O型圈Fluid power systems -O-rings 目录或摘要 返回 O-rings