下列哪个不属于架空线的材质()。
A、铝合金电车线
B、钢铝电车线
C、铜电车线
D、钢丝电车线
参考答案:D
________ you've got a chance, you should make full use of it.
A.Now that
B.Even if
C.Although
D.As soon as
全脊髓麻醉时的处理要点是
A.静脉注射呼吸兴奋剂B.经鼻管给氧吸入C.静脉注射镇痛镇静剂D.快速输液补充血容量E.立即人工呼吸与支持循环