Superthin film超薄薄膜
SUPERTHIN SECTION超薄切片法
Superthin spot grouting concrete超薄现浇混凝土
superthin copper foil超薄铜箔
superthin slice catalyst超薄片状触媒
Superthin glass cotton超细玻璃棉
superthin polymer surface超薄聚合物表面
micropressure and superthin porous-hose微压超薄多孔软管