六面顶和两面顶高压装置都采用圆片状触媒。
The circular sheet catalyst has been found useful for both six anvil and two anvil high pressure devices.
本机用以将各种颗粒状原料压制成圆片状，是适合批量生产基本设备。
This machine is applied to press all kinds of particle material into round tablets and is the basic equnpment catering for mass production.
节流阀，减压阀：管道内沿直径中心轴线上的圆片状旋钮，用作节流阀门或阀门。
A disk turning on a diametrical axis inside a pipe, used as a throttle valve or damper.
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