轴承宝石 cap jewel ; upper jewel

宝石轴承 [机] [仪] jewelled bearing ; [机] [仪] jewel bearing ; jewel ; stone bearing

王承宝 Cheng-Bao Wang

承宝轩 cheng baoxuan

传承宝贝 inheritance baby

人造宝石轴承 artificial precious stone bearing

蓝宝石轴承 sapphire point ; sapphire bearing

宝石轴承生产设备 jewel bearing manufacturing equipment

珠宝轴承 jewelled bearing

宝石宝石轴承 jewel