Slecve bearing life expectance: 20,000 hours minimum.
含油軸承預(yù)期壽命: 至少20,000小時(shí).
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Modern school of currency and school of reasonable expectance systematized methods of substantial evidence analysis.
現(xiàn)代貨幣學(xué)派和理性預(yù)期學(xué)派將實(shí)證分析方法系統(tǒng)化.
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