There is a common method of refining alkaline cleaning , clay refinement and hydrofining, and so on.常用的精制方法有碱洗, 白土精制和加氢精制等.The development of new petroleum wax hydrofining catalyst - FV - 10 commercial experiments on var...
" Practice makes perfect. " is a proverb.“ 熟能生巧 ” 是一句谚语.His ignorance is a proverb.他的无知已成笑柄.This is a proverb and you ought to stick it down and learn it by heart.这是条谚语,你得把它抄下来记熟....
Nina and Mary were in the kitchen, cleaning up after dinner.吃过晚饭，尼娜和玛丽在厨房里收拾。The twins endorsed a line of household cleaning products.那对双胞胎为一系列家用清洁产品做广告。When Barclays Bank contracted out its cleaning, the new company was...
My work has been forging ahead recently.近来我的工作稳步前进.Now BBC World Television is forging ahead on its own.现在英国广播公司的全球电视节目正靠自己的力量稳步推进。Commom internal dangerous defects of forging round steel are analyzed based on the produc...