绕组温度指示器做好进行现场校准的准备。
Make preparation of winding temperature indicator for site calibration.
它们用来校准铯137，但是也用作很多其他电离放射源的出色的指示器。
They are calibrated to Cesium 137, but also serve as excellent indicators for many other sources of ionizing radiation.
舵角指示器校准。
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