中英▼

  • The servomechanism of guarding leak for the test of high pressure oil seal was developed, and its structure was introduced.

    开发了高压油封实验时防泄漏自动控制装置，并介绍了其结构。

    youdao

  • The servomechanism of guarding leak for the test of high pressure oil seal was developed, and its structure was introduced.

    开发了高压油封实验时防泄漏自动控制装置，并介绍了其结构。

    youdao

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