bored roll meaning in Chinese
空心滚筒
Examples
- 1 the rolls are made of chilled alloyed cast iron , their working surfaces are of high hardness and wear - resistant . the working temperature of the bored rolls is controllable by steam or cooling water that pass through them thus , to meet the requirements of milling process
1辊筒用合金冷硬铸铁制成工作表面具有较高的硬度，耐磨耐用。辊筒内腔可通如蒸汽或冷却水以便调节辊筒的工作温度，以满足炼胶工艺的要求。