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液体压力计标准装置
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液体压力计标准装置
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液体压力计标准装置
以利用液体自重产生的压力与被测压力相平衡的原理制成的压力计作为主要标准器,用于检定或校准其他压力计量标准或工作计量器具的微压计量标准的装置。
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