患者剧烈胸痛时,将其安置在一个舒适的体位通常是()。
A.半坐位
B.平躺位
参考答案:A
给下面的句子排序。
( ) Can you help him find it?
( ) He is dirty.
( ) Li Ming needs the sink.
( ) Here is the sink.
( ) He needs to wash his hands and face!
防雷接地装置采用圆钢时,其直径不得小于(),采用扁钢时,其厚度不得小于4mm,截面积不得小于160平方毫米。