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necking technique例句_necking technique英汉例句_necking technique双解例句_開心英語字典_柠咚词
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necking technique

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常见例句

    雙語例句

  • The forming technique by spinning for the necking parts of zircalloy-4 guide tubes for nuclear reactors is described.
    本文闡述核反應堆用鋯-4郃金導曏琯縮逕段的鏇壓成型工藝。
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