闸衬光面器 brake lining refacer

反衬光度计 photometer contrast ; contrast ; photometer

查衬布光彩 checking interlining

沟道衬底平面激光器 channeled substrate planar laser

等反衬场光度计 equality of contrast photometer

高光泽箱衬纸 glazed casings paper

光栅衬底 grating substrate

丝光衬里棉布 near-silk