metal drum [包装] 金属桶 ; 金属大桶 ; 铁桶
rotating metal drum 回转金属转筒
Food Grade Metal Drum 食品级金属桶包装
all-metal drum 全金属成型机头
metal grooved drum 金属槽筒
metal l drum 金属桶
Finally there are mechanical skimmers - ideal for retrieving heavy oils - which use metal tooth discs, grab buckets and drum separators to remove the oil then pump it into a tank.
最后还有从回收重油方法改进而来的机械分离器，采用金属齿轮盘将油捞起，然后采用分离机将油分离出来放到储罐中。
He inched forward on his stomach, leaned over thelip and with a grunt pulled a small metal drum over the edge onto the grass.
他往前爬，到了河边侧身往下探，吃力的从下方拉上来一个铁鼓，放到草地上。
The smoking can be done in a large, round metal container. Remove the top of the drum and cut a small opening on one side at the bottom.
熏制过程可以在一个大的圆型金属容器内进行。拆除圆桶的顶部并在底部的一边开一个小口。
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