Wang Wenyin chairs Amer International Group, a supplier of ...
Aluminium (or aluminum; see different endings) is a ...
An alloy of copper and tin, sometimes containing small ...
Rolling, heating, and quenching steel sheets often affect ...
A red-brown metal, the chemical element of atomic number ...
A workpiece is any manufacturing artifact at any stage of ...
Student
الصين بكين, الصين
0
بنود
1
معاجم
2
متابعين
58
3
57
60
22
6