The utility model has the advantages of continuous production, closedoperation, high filter intensity, large operating flexibility, etc.
具有连续生产，可密闭操作，过滤强度大，操作弹性大，适用范围广等优点；
2
Off penetrable knife gate valve is a new type of fast-flow regulating valve with both ends opened and closedoperation of actuators that can double increase headstock speed.
本阀门是一种新型的快速流量调节的刀闸阀，具有两端同时开启、关闭的操作执行器，成倍提高启闭速度。
3
In addition, refactoring an operation will update the corresponding message in a Sequence diagram, even when the Sequence diagram is in a closed model.