排气管1

排气管1-?ng x? 仲??ng c?--------------------特朗特?o SolidWorks-H?c?KhíH?c phí990k，链接视频：https://www.youtube.com/channel/UCn5JjQndpMfqBaFVY3FNQ6A/videos奥特?o AutoCAD、MasterCam、发明家网站：www.hoccokhi.vn热线：033.666.2767电子邮件：hoccokhi。info@gmail.comFanpage：Facebook.com/HocCoKhi/Youtube:H?c?khiíChi nhánh 1:17 T–K? y，y?n T–n Bình，TpHCMChi nhánh 2:58小时?吴?, Bình Th?, Th? ??c