Problem with this solid ! (from Sketchup) Disapears!

http://moiscript.weebly.com/uploads/3/9/3/8/3938813/component_solid.skp

It's not directly the file, I import obj, Separate, Joint or Booelan Union, Move result beacause there are some alone lines (?)...



http://moiscript.weebly.com/uploads/3/9/3/8/3938813/solid_from_skp.3dm