半刚性基层混合料设计中,为了节约成本的目的,需设定结合料用量上限值。
参考答案:对
The couple set ________ some money every month for their future use even though their income can only make ends meet.
评价新生儿窒息程度的Apgar评分指标不包括()。
A.呼吸
B.体温
C.心率
D.肌张力
E.皮肤颜色