By this, force acting in the directionofclosing a valve body (41) ACTS on it through the diaphragm (42), maintaining the shutoff valve (40) closed.
从而经由隔膜(42)对阀体(41)在关闭的方向上施力，维持断流阀(40)关闭的状态。
2
But then, once the scales tip back to the opposite direction, this will find her closing her fists on her finances because of early bouts of overspending.
但是一旦天秤偏向了相反的方向，你就会发现由于之前的超支她们会开始节省着花钱了。
3
In a sign of just how volatile the markets are, the dow has reversed direction every day, closing up one day, then down the next, for the past seven sessions.