固定夹板可以用英文 fixed clamp plate 或者 fixed jaw plate 来表示。
它的来源是在机械加工过程中，用来固定工件的工具。固定夹板通常是一种可以固定在机床上的工具，用来支持和固定工件，使工件能够在机床上进行加工。
下面是一些英文例句及其中文翻译：
The fixed clamp plate held the workpiece securely in place while it was being machined. (固定夹板将工件牢牢固定在位，以便进行加工。)
The fixed jaw plate is used to clamp the workpiece during the milpng process. (固定夹板在铣削过程中用来夹紧工件。)
The fixed clamp plate is an essential tool for holding and positioning the workpiece during the machining process. (固定夹板是加工过程中用来固定和定位工件的必备工具。)