Looking at the coverage of the credit crunch, I'm tempted to draw an analogy between a high-speed train crash and road accidents.
看着信贷紧缩的新闻报道,我不禁想到人们对待高速列车事故和公路交通事故所持不同态度的相似之处。
While polyester fiber is subject to different draw ratio and heating temperature during high speed spinning, its original molecular orientation and crystallinity of polyester fiber are changed.
聚酯在高速纺丝过程中,施以不同的拉伸倍数与温度,会造成纤维结晶度与取向度的变化,从而影响纤维的物理性能。
应用推荐