... international trade 国际贸易 precision equipment and measurement 精密仪器与测量 metal material 金属材料 ...
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The principle of static and dynamic balance of precision rotating equipment is analyzed. The corresponding measurement method is brought forward.
对精密旋转设备的静、动平衡原理进行了深入分析，提出了相应的测量方法；
The method and equipment for wave length measurement using the isochromatic spectrum is introduced, and some approaches for improving measurement precision are discussed too.
讨论了应用等色谱测定光波波长的方法和装置以及提高测量精度的有关问题。
PSI8400 pressure test system is of high precision pressure measurement equipment produced by PSI Inc. of USA and it is used in pressure measurement test of wind tunnel widely.
P SI8400电子压力测试系统是美国压力系统公司生产的高精度的压力测量设备，广泛应用在风洞压力测量试验中。
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