新型梳棉机在落卷时皮板输送带(或皮圈,围裙)运行受阻.Obstruction in the movement of Aprons during doffing in modern cards.并研究了两种不同的鞣制方法对皮板组织结构的影响.The effect of different tannage on structure of sheep skin was also studied....
The East Window is a wonder of medieval glazing.东窗是中世纪玻璃安装工艺的奇迹。The noise of hammering was dulled by the secondary glazing.因为隔着双层玻璃，锤子的敲打声变低沉了。You should ensure yourself against loss of heat by having double glazing.你应该装...
They immediately got in touch with Dr Ting who was, purely coincidentally, also in California.他们立即与丁博士联系，真是巧得很，他也在加利福尼亚。" It's not what you're thinking , though , " Li Yu - ting went on.“ 嗳,你弄错了,不是那么的.Uncle Ke ...
Trial producing a austempering ductile iron of oblique wedge to replace steel.试制一种新型的奥氏体──贝氏体球铁斜楔,代替原来的铸钢件.The techniques of austempering and the factors of affect properties of ADI were introduced.本文概述了ADI的 等温淬火工艺和影响ADI...