走液态甲醇的换热器()。
A.E1104
B.E1102
C.E1204
D.E1203A
参考答案:A, B
In some countries, ______ is called "equality" does not really mean equal rights for all people.
A.which
B.that
C.what
D.one
慢性支气管炎急性发作患者,喘息、多痰,下列处理哪项不正确
A.控制感染
B.氧疗
C.镇咳
D.祛痰
E.平喘