1、 Metrological confirmation requirements are usually distinct from and are not specified in product requirements.
计量确认要求通常与产品要求不同,并不在产品要求中规定.
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2、 It'should not be considered that NDT equipments are metrological instrument.
因此,不能认定这些普通无损检测仪器全是计量器具.
来源:互联网
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