架子上堆满了装饰品。The shelves were chock-a-block with ornaments.我们布置好了装饰品和圣诞树，这才开始感受到圣诞节的气氛。We put up the decorations and the tree and started to feel Christmassy at last.这个房间布满了图画和其他漂亮的装饰品.The room was full of pictures and othe...
黄铜 、 铜 、 不锈钢 、 铋及铅都是适合的.Brass, copper, stainless steel, bismuth, and lead are all suitable.确定了锌铋多元合金的最佳配方.The most preferred components of hot galvanizing Zn - Bi alloys are determined.目的研究壳聚糖铋对大鼠实验性胃溃疡模型的影响.Aim To study...