roll barrel

• 轧辊筒,辊身

roll barrel的用法和样例：

例句

1. The roll barrels are mainl composed of pearlitic or temper sorbite in the microstruscutre.
   辊身金相组织为珠光体或回火索氏体。
2. Propagation develops within the working surface of the roll, gradually increasing in depth and width followed by a large surface spall of the overlying barrel surface.
   这种断裂首先是在工作层中产生的，进而逐渐往辊身方向变深变宽，最终导致辊身大面积的剥落。