firming board

• 压板

firming board的用法和样例：

例句

1. The upper position lr pressing board can be set randomly to reduce unnecssary idie travel.
   压板上浮位置任意设定，减少不必要空行程。
2. The empty space processing , adopt two to the brake block excircle fixes position , pressure board speeds up carrying out treating.
   对于刹车片的外圆加工，采用两空定位，压板加紧进行加工。