Weighing instrument verification usually adopts direct plus weight method, it needs certain unconventional methods in the dynamic verification of some automatic weighing instrument.
衡器检定通常是采用直接加砝码法，但一些自动衡器的动态检定中需要采取某些非常规的方法。
Weighing instrument verification usually used the method of direct adding weigh.
衡器检定通常是采用直接加砝码法。
Weighing instrument verification usually used the method of direct adding weigh.
衡器检定通常是采用直接加砝码法。
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