压痕法测定硬度包括两大类.Indentation methods of hardness testing comprise two principal groups.调整凹模和凸模之间的间隙,即可改变压痕的深浅.Adjust the die and mould penetrated the changing indentation descend.应用有限元方法研究了大变形的微压痕和断裂问题.The micro - indentatio...
所有很棒的歌曲都透着某种悲伤和张力。All great songs are informed by a certain sadness and tension.这种张力使信仰这种独特的超越成为一种人的植根于现实的终极关怀.This tension makes such unique transcendency the ultimate concern rooted in reality.张力细丝集中成束,并附着于桥粒上.The tono...