Ðề: Ngành thiết kế gia công cơ khí
Tình cờ mình tìm được bài ở đây
03-03-2012, 06:58 AM
shazzam
Aluminum
Join Date: Jul 2010
Location: Pa, USA
Posts: 56
I had a kid in my shop for about 1-1/2 years ,he was decent lathe operator,I was paying him $11,I started to show him how to...