| 单词 | 连接口 |
| 例句 | DEFINITIVE EXAMPLES 权威例句Washers can also be used between joined pipes to seal their connection or between moving parts to prevent damage from rubbing.垫圈也可用在管道连接口之间予以密封，或者用在移动的部件之间，防止摩擦造成损坏。剑桥国际 |
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