胃脘水声漉漉，口泛清水属于
A．寒湿困脾B．脾胃气虚C．食滞胃脘D．胃寒E．中气下陷
参考答案：D
When first____ to the market, these products enjoyed great success.
A．introducing
B．introduced
C．introduce
D．being introduced
在下套管时，为什么与浮箍、浮鞋相连接的套管要用套管丝扣胶粘结？
