普通压裂因注液通道的不同可分为()压裂。
A、套管
B、光油管
C、环空
D、选择性
参考答案:A, B, C
Mary would never do anything that was not _________ of by her parents in order not to make them unhappy.
A.consisted
B.allowed
C.approved
D.informed
下列各项中,与“三焦”功能相关的是()
A.受盛之官
B.传导之官
C.决渎之官
D.州都之官
E.相傅之官