Barium as barite ( barium sulfate ) is used industrially as a white pigment for paint.钡以重晶石形态 ( 硫酸钡 ) 在工业上用作油漆的白色涂料.Red carneol and barite etc. have the features of plume rocks.红碧玉、重晶石等具有喷流岩的特征.At least 80 tons Barite sh...
a sententious essayist爱用警句的杂文家Generally his ideas were expressed in sententious phrase, spoken in low voice .他发表意见总是用柔和的声音，简短的句子。Too often the significant episode deteriorates into sententious conversation.太多的时候,重要的插话演变成...