Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
呋喃树脂砂用于铝合金铸造时,特别是对于一些大型、薄壁铝合金铸件,型芯的溃散性较差。
The elderly AL had distinct MIC features which might contribute to the poor prognosis of the patients.
老年人AL 具有独特的MIC 特征,这可能是老年人AL 预后不良的原因之一。
People can do nothing if they are al ays in poor health, let alone happiness.
如果一个人身体总是不好,他什么也做不成,更不用谈幸福了。
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