Decarburization shall be determined by microscopic examination as described in BS 6617 : Part 1.按照 BS6617: 第1部分的描述,通过精微检测来决定脱碳.Some Australopithecus molars show no trace of microscopic cracks that hard foods should creat...
I'd give my ears for a chance to fly on Concorde.为了能获得驾驶协和飞机的机会,我愿不惜任何代价.Concorde travels faster than sound.协和式飞机的飞行速度比声速还快.The ultimate luxury of the trip was flying in Concorde.这一行程中最大的享受就是乘坐协和式飞机.That will connec...