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seals and sealing devices中文是什么意思

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用"seals and sealing devices"造句"seals and sealing devices"怎么读"seals and sealing devices" in a sentence

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  • 密封装置

例句与用法

  • Difficulties : typical structure and application areas for accumulators , filters , reservoir , piping / tubing and connectors and seals and sealing devices
    难点:典型的蓄能器、过滤器、油箱、管件、密封装置的基本结构、特点及应用场合。
  • Emphasis : grasp the types and operating principle of auxiliary components for hydraulic systems , such as accumulators , filters , seals and sealing devices
    难点:典型的蓄能器、过滤器、油箱、管件、密封装置的基本结构、特点及应用场合。
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