套筒调节阀稳定性好的原因是（）
A.不平衡力小
B.足够的导向
C.足够的导向及不平衡力变化较小
参考答案：C
There are some health problems that, when ______ in time, can become bigger ones later on.
A．not treated
B．not being treated
C．not to be treated
D．not having been treated
过程方法是在分析顾客需求、产品形成过程、组织的战略目标后，确定组织什么的过程？
