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...
...a Briton who spoke in a broad Yorkshire accent.一个讲话带有浓重约克郡口音的英国人The role is played by seventeen-year-old Briton Jane March.这个角色由17岁的英国人简·马奇扮演。Thousands of Irishmen volunteered to fight bravely and loyally for Briton t...
玛德琳小心翼翼地把它放在岩石壁龛里.Madeleine placed it carefully in the rocky niche.那些壁龛用金色的星星作装饰，边缘则用漆绘着小一些的星星。The recesses are decorated with gold stars, with smaller stars painted along the edges.在他上方墙上的壁龛里安放着一尊极小的蒙面象头神伽内什的塑像。Above hi...