Serveral of commonly used methods are photoprinting, photoengraving , mechnical engraving, and stencil.通常所采用的几种储存方法是:影印法 、 照相蚀刻 、 机械雕刻和模板.stencil pen(刻蜡纸的)铁笔Squeegee: A rubber blade used in screenprinting to push the ink...
We should take part in the peaceful uses of atomic energy.我们应该参与原子能的和平应用.The atomic reactor generates enormous amounts of thermal energy.原子反应堆发出大量的热能.The atomic theory is important.原子理论很重要....