为什么不选玉石的领带扣针 呢 ?Why not get jade tiepins for them?类别26:花边及刺绣 、 饰带及编带; 钮扣 、 领.扣 、 扣针及.针; 假花.Class 26 : Lace and embroidery, ribbons and braid; buttons, hooks and eyes, pins and needles; artificial flowers.1999年间,142名苏格兰人因...
The detection environment, method and new progress of electroslag casting are introduced.介绍了电渣熔铸金属液位的检测环境 、 方法和最新成果.They should make adjustment to the new environment.他们应进行调整以适应新环境。Like bats, they send out sound waves an...
当反应温度高于聚合上限温度时,聚合物会解聚成小分子单体.A chain - growth polymer raised above the ceiling temperature will degrade, or depolymerize.以肝素钠为原料,经成盐 、 酯化 、 解聚和纯化得到依诺肝素钠.Enoxaparin sodium was prepared from heparin sodium via salinization,...
The electronic addressed liquid crystal display forms different diffractive optical elements.该电寻址液晶显示器可形成不同的衍射光学元件.The exchange of prisoners of war was one of the key elements of the UN's peace plan.交换战俘是联合国和平计划的一个重...