单词	background dose
释义	background dose 本底剂量
随便看	plastic jacksted gasket plastick plastic kaolin plastic koalin plasticky plastic lag plastic laminate plastic-laminate plastic-laminated plastic laminated paper plastic laminates plastic lamination plastic laser plasticlast plastic layer plastic-laying machine plastic laying machine plastic lead plastic leaded chip carrier package plastic leadless chip carrier plastic lens plastic lens system plastic lenticular screen plastic lever plastic life boat 有谁知有豺狼当辙有酒不饮奈明何有酒惟浇赵州土有金汤便可无张许有长鲸白齿若雪山有骨还从肉上生有高唐奇观有黄鹂千百朋游今在否切边切近切钉切除切面切音切韵切题切骨切齿