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          Contacts:Mr Zheng
          Phone:13777773338
          Tel:025-56822888
          Fax:025-56822887
          Address:No.108 Fengshan Road, economic development zone, Gaochun District, Nanjing, China
          Website:www.thepoiz-residence.com
          Precision ball screw

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          Product details

          型號規格的編號及其含意

          導程精度(誤差允許值)
          滾珠絲杠副根據用途分類的精度級例
          內循環滾珠絲杠副
          螺紋長度300mm及旋轉1周的變動值(允許值)

          西西大胆人胆全棵艺术照,熟睡中の姉侵犯在线播放,富婆推油偷高潮叫嗷嗷叫,小豪孟卉钰慧三p上79章