单词：twin lock
twin lock的用法和样例：
例句
- The lock keeper closed the lock gate.船闸管理员关上了闸门。
- Main items and design contents of Sanhe navigation lock reinforcement project is introduced in this paper.介绍三河船闸加固改造的主要项目和设计内容。
单词：twin lock 相关文章
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