Bed plate: Metallic plate in which bronze or steel knives are fitted, set dirrctly underneath the beater roll of the hollander .

在荷浆机内浆轮下面的金属底床，它面装青铜或钢刀片。

The confident estimation to the headframe and bed plate of drilling rig is done by this method,the computational solution is identic...

弥补了石油行业在无故障靠性评定方面的不足。