巴布科克法测定牛乳脂肪含量时,加热、离心的作用是形成重硫酸酪蛋白钙盐和硫酸钙沉淀。
查看答案
在ASSET软件的使用过程中,生成天线文件时,注意应将天线文件中第一行的filename改名为()。
交强险无责任赔偿限额包括:死亡伤残赔偿限额110000元、医疗费用赔偿限额10000元、财产损失赔偿限额2000元
A. 正确
B. 错误
Which of the following is not true of the European Union?()
A. The United States is also a member of the E
B. The members of the EU cooperate in many areas,including politics and economics.
C. The EU is a major economic unit.
D. The combined value of the union.s imports and exports is greater than that of any single country in the world.
机车在进行自负荷试验时,同步主发电机发出的三相交流电经过主整流柜整流后直接向()。
A. 牵引电机
B. 制动电阻
C. 外加电阻