For example, to calibrate the electronic weighing equipment of the Xichang Satellite launch site, the calibration weights should have been prepared by the launch site.
例如，为了准确校准西昌卫星发射中心电子秤，须由发射中心配备校准砝码。
For example, to calibrate the electronic weighing equipment of the Xichang Satellite launch site, the calibration weights should have been prepared by the launch site.
例如，为了准确校准西昌卫星发射中心电子秤，须由发射中心配备校准砝码。
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