以及：介绍了变频调速节能装置的节能原理，注塑机节能改造的注意事项。
谢谢！
參考答案:提出了采用变频器来实现对注塑机的流量控制，避免了溢流损失，实现节能
The application of the transducer contributes a lot to the control of runoff, aiming at avoiding the loss and save the energy.
介绍了变频调速节能装置的节能原理，注塑机节能改造的注意事项。
The principle of the equipment of transducer is introduced, as well as the notice of the energe-saving of the injection machine.
