sprue bushing

例句：

1. 1. The car was fixed with a sprue bushing.
   这辆车是用一个排钉固定住的。
2. 2. The screws weretightened with a sprue bushing.
   螺丝是用一个排钉拧紧的。
3. 3. The car's engine was repaired with a sprue bushing.
   汽车发动机是用一个排钉修复的。