聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.Poly alcohol has been protected against radiation by benzalation and benzoylation.酰...
无声模式制作,传统法国式默剧示范.Demonstration of French style mime A Silence Theatre production.无声模式制作,用默剧手法介绍九型人格.Enneagram in Miming. A Silence Theatre production.法国默剧大师, 多个默剧学院的创始人.French mime master, founder of many panthomime coll...
不宜堵塞炮泥,因为万一炮泥烧结堵死就会使以后的装药工作很麻烦.Stemming is not advisable because it can sinter and complicate later charging.陶瓷元件是将仔细研磨的材料经过加压和烧结制成.Ceramic elements are made by pressing and sintering finely powdered material s.由于微粒易于聚集和...
The medians of a triangle are concurrent.三中线交于一点求作重心.Even so the cars the street and filling the medians on major roads.尽管如此,街道上汽车还是挨挨挤挤,摩肩接踵,主干道的隔离带上也堆满了车....