This paper narrates the preparation of environment friendly alkyd antirust coatings with ferrotitanium complex antirust pigment.叙述以复合铁钛防锈颜料,开发环保型醇酸防锈涂料的研制过程....
Her bead necklaces and bracelets jangled as she walked.她的珠子项链和手镯在她走动时叮当作响。Jane took out her keys and jangled them.简掏出钥匙丁零当啷地晃着。The shop bell jangled loudly.商店的钟发出丁零当啷的巨大响声。...
They condemned the white paper as a charter for centralisation and selective education.他们谴责白皮书是在怂恿中央集权和精英教育。Diethyldithiocarbamate was more better selective collector than Xanthate on galena.与黄药相比,乙硫氮是方铅矿更好的选择性捕收剂.Water ...