... 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 ...
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... 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 ...
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