问题
单项选择题 A1型题
伤残调整寿命年是指（）
A.PYLL
B.YLL
C.YLD
D.DALY
E.以上均不正确
答案
参考答案：D
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伤残调整寿命年是指（）
A.PYLL
B.YLL
C.YLD
D.DALY
E.以上均不正确
参考答案：D
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