Finally the structures were released in a 49 % HF etch.最后在49%F中腐蚀形成这些结构.More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Can some one suggest a suitable etch or sequence of etches to achi...
More often, all of the materials exposed to the etchant have a finite etch rate.通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.瓷酸蚀剂...
Forward handspring has great potentialities in its development among the forward somersault movements in floor exercises.前手翻在自由体操前空翻类动作发展方面具有较大的潜力.The breathtaking potentialities of mechanization set the minds of manufac...
The government does not recognize the legality of this court.政府不承认这个法庭的合法性。They intended to challenge the legality of his claim in the courts.他们打算在法庭上对他的要求的合法性提出质疑。Judging the legality of the ordinance is within the prov...
Hardness than corundum, abrasive easily broken, sharp edges and corners, good cutting, grinding heat and small.硬度高于棕刚玉, 磨粒易破碎, 棱角锋利, 切削性能好, 磨削热量小等.Salter held the bag by the corners and shook it upside down.索尔特捏住包的外角，把它倒...
那座塔陡峭地自平地耸起.The tower rises steeply from the flat ground.道路陡峭地攀爬至城堡.The street rose steeply up to the castle.这座小山向下陡峭地倾斜直到城镇上.The hill slopes steeply down to the town....