... precision roll grinding machine轧辊精密磨床 precision tube精密管 precritical临界前的、亚临界的 ...
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精密管材 precision tube
精密管技术公司 Precision Tube Technology
张家港市精密管厂 ZHANGJIAGANG PREEISION PIPE FACTORY
精密无缝钢管 Precision Seamless Steel Tubes ; Seamless steel pipe
无缝管精密管 seamless tube precision tube
无缝钢管精密管 seamless steel tube precision tube
精密管脚和铜齿轮 precision pins and brass gears
精密磨光管 precision ground tube
精密轧管机 Accu-Roll Mill ; Accu Roll
19世纪初美国邮政使用了气动管精密系统，但伦敦使用了完全不同的方式，建立了这个小规模的铁路系统，只能用于包裹运输使用。
The USPS used an elaborate system ofpneumatic tubes during the early 19th century, but London took anentirely different approach and built this scaled-down railroad systemto be used only for parcels.
其中一场筹款会将于6月17日在可口可乐中国总裁布鲁克斯位于北京的家中举行。 另一场19日在上海进行，将由生产精密器件的美国睿固公司高管霍恩宾主持。
One appearance will be at the Beijing home of David Brooks, a Coca Cola executive, on June 17, and the other will be in Shanghai hosted by Ted Hornbein, an executive of Richco, on June 19.
我们现正制作加工部件，数控精密加工，包括车轴，管，法兰等。
We are producing machining parts, CNC Precision machining, covering axles, tubes, flanges and others.
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