Filtration operation is in constant pressure differentials, called the constant pressure filter.
过滤操作是在恒定的压差下进行，称为恒压过滤。
This paper describes a new technology for water supplying system with constant pressure. It is verified that the system has obtained good economic and social benefits through time sharing operation.
介绍运用变频调速恒压供水技术，根据用户需水量变化情况，分时间段设定合适的压力值进行操作，取得了良好的经济和社会效益。
Through the operation panel, not only can realize the fixed distance and constant pressure of two kinds of forming process, and can realize a pad, pad free, top three cycle process.
通过操作面板选择，不仅可实现定程、定压两种成形工艺，而且可实现有垫、无垫、顶出三种工艺工作循环。
However, operation mode has to be selected in operation. There are many different structure and design issues when choosing either constant or sliding-pressure operation.
使用中面临着如何选择机组的运行方式问题，选择恒压或滑压运行在结构和设计上均有许多应考虑的不同问题。
The operation principle and the design method of constant pressure water supply is described. The program block diagram of constant pressure water supply is a1so given.
着重说明了该系统的操作原理和恒压供水的设计方法，并给出了自动调压的程序框图。
The operation principle and the design method of constant pressure water supply is described. The program block diagram of constant pressure water supply is a1so given.
着重说明了该系统的操作原理和恒压供水的设计方法，并给出了自动调压的程序框图。
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