压延模的间隙过大（），而且毛料口部的变厚得不到消除。
A、不易起皱
B、易起皱
C、不起皱
D、起皱
参考答案：B
5. He will never _______ though every means ________ tried already.
A．lose heart; has been
B．lose heart; have been
C．lose his heart; was
D．lose his heart; had
用于痰浊阻肺，胃失和降的是（）
A．止渴丸
B．桂龙咳喘宁胶囊
C．蛇胆陈皮胶囊
D．麦味地黄丸
E．养阴清肺丸
