单词	acid-proofing flooring
释义	acid-proofing flooring 防酸地面
随便看	optical ray optical reader optical, reader optical reader input device Optical Readers optical reading optical, reading device optical radiation optical radiation comparator optical radiation discrimination optical radiation effect optical radiation effects optical radiation measurement optical radiation measurements optical radiation protection optical radiation safety optical radiations simulation optical radiation standard optical radio communication optical radiometry optical radiometry technique optical radio propagation optical radio transmitters optical radome optical radome absorption