what's the function of the package?
surface drives? are there any companies producting surface drives in China?
yeah,price is a big problem, solidworks is a intermediate software in 3D design.
more research have been done. for example, how about the seakeeping of the ship ? and strength of the stucture of the house nice idea,
how about CATIA in shipbuilding? it's popular with yatch design and offshore engineering.