broken trailer frame
Xem 1-1 trên 1 kết quả broken trailer frame
-
welding secrets explains why a weld bead shrinks more where it stops than it does where it starts. pictures of test welds show the difference between "free expansion" and "confined expansion". it explains how stresses, caused by a weld made under confined expansion, can harm the workpiece.
63p bautroibinhyen19 27-02-2017 40 4 Download