()补偿器补偿能力最大。
A、L型
B、Z型
C、Π型
参考答案:C
John, a friend of mine, who got married only last week, spent $3,000 more than he______for the wedding.
A.will plan
B.has planned
C.would plan
D.had planned
下列不属于心包穿刺的指征是
A.心脏压塞
B.为证实心包积液的存在
C.为明确心包积液的性质
D.心包积脓
E.心包内药物治疗