市场水平的目标成本法的主要意义在于将企业面临的市场竞争压力传递给产品设计者和供应商。
参考答案：对
—If our parents listened to us more, they would understand us better.
—_______, but unfortunately they just expect us to do what we are told to.
A．I believe not
B．I can’t agree more
C．Good idea
D．No problem
试述往复泵的操作要点和流量调节？
