腹腔穿刺术禁忌证
参考答案:
1.肝性脑病先兆放腹腔积液可加速肝性脑病发作。
2.结核性腹膜炎有粘连性包块者。
3.非腹腔积液患者,包括巨大卵巢囊肿,包虫病性囊性包块。
Bob never does his homework _________ Mary. He makes lots of mistakes.
A.so careful as
B.as careful as
C.not as carefully as
D.as carefully as
检修热交换器前必须把热交换器内的()和()放掉,()应打开。