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...
The old man has at last wiped off all his debts.这位老人终于还清了所有的欠款。He wiped away the blood with a paper napkin...他用纸巾将血迹擦去。The apple crop was wiped out by blight.枯萎病使苹果全无收成.He wiped his brow with the back of his hand...他用手背擦...
这只烧杯的底部有些沉淀物.There is some deposit in the bottom of the flask.烧杯被放在喷灯上方.The beaker was placed on top of a torch.金属铜沉淀在烧杯底部.The copper deposits at the bottom of the beaker....
Guavas, watermelon and pink grapefruit are also foods rich in lycopene.番石榴 、 西瓜和粉橙这些食物也富含番茄红素.How about some guavas, and star fruit?买点番石榴和洋桃好 吗 ?Azaleas and guavas are propagated by this method.杜鹃和番石榴都用这种方式繁殖....