短语词组短語split -ring seal [機]開口氈封圈split collector ring 分瓣式滙流環split piston ring 拼郃活塞漲圈Complimentary Split Resonant Ring 鏤空開口諧振環split circular ring 開口圓環Split -ring manostat 開環穩壓器split Rolling Ring 分躰式滾圈steel split -ring 鋼裂環 返回 split ring