单词	偏硼酸镁
释义	偏硼酸镁magnesium metaborate
随便看	back ground background background absorption background activity background adaptation background air pollution background area background artist background authentication background-- beta background {=bg} background block error ratio background block error ratio {= bber} background border background buildup background--buildup background bus background calibration background check background clutter background collimating mark background collimating point background color background compiler background computer