“PEC”是“Personal and Extenuating Circumstances”的

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“PEC”是“Percutaneous Endoscopic Colostomy”的缩写，

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“PEC”是“Persistently Educating the Customer”的缩写

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“PEC”是“Personal Effects Coverage”的缩写，意思是“个

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“KPPO”是“Korean Parent Partnership Organization”的

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“KPPO”是“Kensington Portable Power Outlet”的缩写，

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“HRI”是“High Refractive Index”的缩写，意思是“高折射

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“HRI”是“Human–robot interaction”的缩写，意思是“人机

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“HRI”是“Human Robot Interaction”的缩写，意思是“人机

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“HRI”是“Harm Reduction International”的缩写，意思是

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