膜系数

tri-circle star; actor or actress popular in film, television, and song circles

film

PVC film

Mylar[专业]塑料;polyester film[专业]塑料;

blow-moulding machine for extrathin film

3-D picture【电影】;stereoscopic motion picture【电影】;three-dimensional film【电影】

extra-fast no-screen film

Polystyrene Film