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back seal test例句_back seal test英汉例句_back seal test双解例句_流逝汉英词典
流逝汉英词典

back seal test

B 开头单词

常见例句

    双语例句

  • The impact method adopts the flange two ends seal, contracting & pressing clamp valve flange back working test.
    压紧方法采用法兰端面密封，抱压爪夹紧阀门法兰背面进行工作试验。
    • 返回 back seal test