"piece of metal (later plastic) attached to a cast object," 1875, earlier (1849) "channel through which metal is poured into a mold;" of unknown origin.
实用例句
1. They have pointed out the similarities of the sprue syndromes in man and TGE.
他们强调了人的鹅口疮综合症和TGE的共同点.
来自辞典例句
2. This would necessitate a manual operation to remove the unwanted sprue.
这就要有一个手工操作以去除不需要的主流道废料.
来自互联网
3. They must be carefully cut from the sprue to prevent damage.
必须小心的剪取零件以防损坏.
来自互联网
4. After weight each shot ( without the sprue ) and draw the graph.
