当地人把谷类碾成细粉.The natives pounded the grain into a fine powder.硼砂必须研成细粉才能供婴儿使用.Borax must be reduced to powder for infants.为了煅烧碳酸钙细粉, 已经成功地应用了高温成球技术.In order to calcine calcium carbonate fines, the technique of high - tempe...
It is compulsory for all motorcyclists to wear helmets.所有骑摩托车的人都必须戴头盔，这是强制性的。The shop at the corner of the street sells helmets.街道拐角那家商店出售安全帽.Protective helmets must be worn on site.在工地必须戴防护帽....
目的研究肺炎衣原体和冠心病的关系.Objective To study the relationship between Chlamydia pneumonia and coronary heart disease.价格: 60元左右, 衣原体和支原体检查150元左右.Price: 60 yuan, chlamydia and mycoplasma check around 150 yuan.但同时感染淋球菌 、 衣原体和支原体者.No...
The electroformed Ni - Mn alloys hold good prospects for its specific performance.电铸镍锰合金因其特殊的性能而具有重要的应用前景.Electroformed apertures reproduce the mandrel photo resist finish faithfully and do not require any further proces...