科教館心得

DKR-Beam

DKR-Beam allows you to calculate the main strenght characteristics of the stiffeners used in shipbuilding (bulb, symmetrical bulb, T-bar, angle bar an...

Leighton HD

★Special 75% SALE★" ...whatever your taste in art, from Renaissance to the Impressionist, from Europe to Asia, if you are an art lover Overdamped prob...