产生偏析的根源是()。
参考答案:选分结晶
滑动轴承的轴颈磨损,一般情况下为修磨轴颈,配换轴瓦,但轴颈修磨后尺寸不得小于原轴颈尺寸1.5mm。
In relation to the law of contract, explain the general rules relating to the award of damages. (10 marks)