中碎系统粒子不平衡时，在两个系统（）的条件下，可互相（）。
参考答案：使用原料相同；倒料
类剥苔主病为
A．胃气阴两伤
B．痰浊未化止气已伤
C．久病气血不续
D．肾气亏虚
E．胃气暴绝
Small sailboats can easily turn over in the water ________.
A．if not managed carefully
B．if are not managed carefully
C．unless not managed carefully
D．unless are not managed carefully
