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密閉耐壓試驗(yàn)標(biāo)簽相關(guān)內(nèi)容

壓鑄件的超聲波檢驗(yàn)和密閉耐壓試驗(yàn)

時(shí)間:2019-03-26

超聲波檢查超聲波檢測(cè)是一種無損檢測(cè)方法, 可快速發(fā)現(xiàn)鑄件的內(nèi)部缺陷。超聲波是一種振動(dòng)頻率超過2000赫茲的聲波, 它具有非常重要的特性, 即當(dāng)超聲波從一種介質(zhì)傳輸?shù)搅硪环N介質(zhì)...

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