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preformed billet
释义
preformed billet
Encyclopedia
工学
[锻造]
释
preformed billet
荒坯
经过一定的锻造、挤压、机械加工等方式制成一定形状的坯料。为加工最终零件提供预制坯料。
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dipping,pressing and shredding joint machine
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diproton
di proton emission
di-proton emission
dipseudograph
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dipterocarp family
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dipyridinium dichromate
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diquark
diquark model
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diqzete
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