本文介绍了半导体制造专用设备的真空检漏的原理、方法，以及用该方法解决实际问题的一些实践经验。
It is Introduced the principle and method of vacuum leak age detection of the special equipment in the semiconductor production and the experience on solving practice problems with the method.
在此集合的个案研究提供了广泛的分析，政策的理论和实践经验丰富的存储制造商和经济学家。
The wide range of case studies in this collection offers a rich store of theoretical and practical lessons for analysts, policy-makers and economists.
从1996年便开始涉足机组式柔印机的开发、制造，具有丰富地实践经验。
Since 1996, he has developed and manufactured the unit type flexograph printing machine with abundant practical experience.
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