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2013-05-23 12:21
求翻译：Where earthing resistance measurements are to be carried out, the method of measurement and type of instrument shall be subject to approval by Project Manager. The measuring instrument shall have a valid calibration certificate. No measrurement results will be accepted before this instrument approval is granted. On the是什么意思？ 待解决
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Where earthing resistance measurements are to be carried out, the method of measurement and type of instrument shall be subject to approval by Project Manager. The measuring instrument shall have a valid calibration certificate. No measrurement results will be accepted before this instrument approval is granted. On the
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