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guanfeng gfmachine 14 de maio de 2020
Choose the appropriate shaker: If the rated working voltage of the motor under test of the Quick Freezing Equipmentis 380 volts, then we can choose a 500V shaker.2. Shake the watch flat, make a short circuit test, two test leads are shorted, and shake the handle pointer close to 0 is good.3. Separ...