...ornamental plaster mouldings.装饰性石膏线脚Material flow considerations are vitally important for both foam and solid mouldings.考虑材料流动对发泡成型和固体成型,都非常重要.Lumber, Wood Flooring , Trims, Mouldings Timber, Timber Products and Plan...
Material flow considerations are vitally important for both foam and solid mouldings.考虑材料流动对发泡成型和固体成型,都非常重要.The color scheme was brown, with the mouldings picked out in orange.整个图案是棕色的, 用桔黄色的壁线来加以衬托.Lumber, Wood Flooring...
而环氧粉末涂料的固化反应只有环氧树脂与固化剂 - 双氰胺的交联反应.The cross - linkedstructure of epoxy and phenolic resins increased because of the crosslinking between the two resins.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.The effect of acidity on synthesis of phen...
The word Easter derives from Eostre, the pagan goddess of spring.Easter（复活节）一词由Eostre（多神教的春天女神）衍生而来。The singing of Christmas carols is a custom derived from early dance routines of pagan origin.唱圣诞颂歌的风俗源自异教徒早期的舞蹈仪式。That ...
一旦杂质沉淀下去，油就可以分级了。Once its impurities had settled, the oil could be graded.将硫酸盐加入该溶液会产生沉淀.Adding sulphate to the solution will give a precipitate.渣滓沉淀在容器的底部.Dregs settled at the bottom of the container....