郁证虚证辨证分型有下列几型（）
A.肝气郁结
B.痰气郁结
C.忧郁伤神
D.心脾两虚
E.阴虚火旺
参考答案：B, C, D, E
– Amazing! You _____ have won the first prize in the national English speech contest!
– I’m lucky that all my efforts have finally paid off.
A．must
B．may
C．can
D．should
简述ZB25/ZB45包装机“主输送槽阻塞”故障的显示条件、产生的原因及排障措施。
