abbr.英国专利(britishpatent)
br stone───br石材
londoner br───伦敦人
br e───abbr.宗教教育学士(BachelorofReligiousEducation);建筑研究院(BuildingResearchEstablishment)
br kingsolver───br kingsolver公司
p p───abbr.过去分词(pastparticiple)
Br tain───比尔
br ngs───天然气
br mn───溴锰
br dge───边界
BR> This page uses frames, but your browser doesn't support them. p>…───body> p>此网页使用框架,但是您的浏览器不支援框架。
A P-N-Br synergistic flame retardant pentaerythritol bisphosphorate tribromoaniline salt was synthesized using phosphorus oxychloride, pentaerythritol, aniline, and bromine as raw materials.───以三氯氧磷、季戊四醇、苯胺和液溴为原料,合成了一种具有成炭结构的磷氮溴协效阻燃剂季戊四醇双磷酸三溴苯胺盐。