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For vertical and inclined surface shape. No plastic flow phenomena.
用于倾斜和垂直面上成型，不会出现流胶现象。
youdao
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The spirit beneath the surface of many astronomical phenomena is gravitation.
许多天体物理现象其本质是与引力相关的。
youdao
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The spirit beneath the surface of many astronomical phenomena is gravitation.
许多天体物理现象其本质是与引力相关的。
youdao