抽出液塔的作用是从吸附塔来的抽出液分离成粗PX和解吸剂。()
参考答案:错
Launched in March 2010, China Face has been a daily news feature ________ on a Chinese individual.
A.being focused
B.focusing
C.to be focused
D.to focus
法洛四联症患儿吃奶或哭闹时突然出现晕厥、抽搐,最可能的原因是
A.脑血栓
B.脑脓肿
C.肺静脉压突然升高
D.肺动脉漏斗部狭窄痉挛
E.左心负荷过重