Sealing ring for Stuffing box的意思|示意

填料箱密封环 ... 填料箱(函)Stuffing box 填料箱密封环Sealing ring for Stuffing box 填料箱紧缩环 Pressure ring for Stuffing box ...

填料函密封环 ... 填料函张力弹簧 tension spring for stuffing box 填料函密封环 sealing ring for stuffing box 填料函刮油环 scraper ring for stuffing box ...