【化】 dust-proof lighting fitting
dustproof
【化】 dust prevention
illume; illuminate; illumine
【医】 illumination
【经】 light heat and water expense
device; apparatus; fitting; installation; setting; unit
【计】 blaster; U
【化】 equipment; set; set up; setting
【医】 apparatus; device; fitting; installation; mounting; unit
【经】 equipment; installation