4634| 4
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抗震壓力表0-1MPa的刻度怎么這么短? |
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點(diǎn)評(píng)
另外,預(yù)壓縮可以防止震動(dòng)形成的低壓力波沖擊,而使指針不會(huì)亂擺動(dòng),這可能就是抗震壓力表的來(lái)由吧
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