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氧化锆陶瓷球15.081 15.875 16 16.668 17.463 18 18.256 19.05mm
高精氮化硅陶瓷球16.05 16.1 16.668 17.463 18.256 19.05 19.844
嘉百越氮化硅陶瓷球硬度高
高精度耐腐蚀高温陶瓷厂家直销
氮化硅陶瓷球16.668/17.46/18.26/19.05/19.84/22.225/25.4 MM
氮化硅陶瓷球 15.875/16/16.668/17.46/18.26/19.05/19.84/20mm
陶瓷珠子 氮化硅珠子9.5氧化锆珠子 9.525mm 16.668 17.462 18
氮化硅陶瓷球12/12.7/13.494/14.288/15.081/15.875/16.668滚珠
高精密氧化锆陶瓷球16 16.668 17.462 18.256 19.05 19.844 20 25
氧化锆陶瓷球高温耐磨阀球JSMN
氮化硅陶瓷滚珠球无磁高精
