polythene drum

• 聚乙烯圆筒

polythene drum的用法和样例：

例句

1. A coupler is attached to the color drum.
   一耦合器固定在该彩色圆筒上。
2. Inside each drum was a designated quantity of radioactive waste.
   在每个圆筒中都装有规定数量的放射性废物。