After setting, the surfaces of the specimens are ground down using carborundum and alumina.凝固之后, 样品表面连续用金钢砂或氧化铝磨平.Support the transport system for alumina and fluoride to the hoppers.支撑氧化铝和氟化盐进入料斗的传送系统.Activated carbon, ...
After setting, the surfaces of the specimens are ground down using carborundum and alumina.凝固之后, 样品表面连续用金钢砂或氧化铝磨平.Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams.常用...
This sangfroid could be tested by several threats.这种泰然自若的姿态要经受多种威胁的考验.She had the strength and sangfroid of a woman in the prime of life.她具有正值青春的少妇的力量和沉着.By contrast, on television, where he has been appearing more frequ...
He preferred the company of those who were intellectually inferior to himself.他喜欢与那些智力水平不如他的人共处。512k RAM is recommended and 640k RAM is preferred.推荐配置为512K内存，640K内存则更佳。I became a teacher because I preferred books and peo...
Stays up late is the skin health care archenemy.熬夜是皮肤保健的大敌.He stays all the way in the game.他自始至终参加比赛。He never stays in a job long. He gets itchy feet after two or three years.他没有一样工作干得长久，过两三年他就会脚底发痒，总想动一动。Once in the po...
stationery embossed with the hotel's name凸印旅馆名称的信笺和信封The paper on the walls was pale gold, embossed with swirling leaf designs.墙纸是淡黄色的，上面饰以漩涡状叶片凸起图案。The silver vase is embossed with a design of flowers.这银花瓶上刻有花卉浮雕图案...