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【单选题】
共晶铸铁的室温组织是（）
A.
P + Fe 3 C ǁ + L ′ d
B.
F+P
C.
L ′ d
D.
L ′ d + Fe 3 C 1
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及时喂葡萄糖水
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【单选题】早产儿,男,胎龄34周,体重2300g,生后第1天,基本情况可。母乳尚未分泌。为预防新生儿低血糖,正确的护理措施是
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及时喂葡萄糖水
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