“entrance lock”的概念、定义、翻译、参考文献-科学参考

单词	entrance lock
释义	entrance lock [`en·trǝns ´läk] ^{CIVIL ENGINEERING} A lock between the tideway and an enclosed basin made necessary because the levels of the two bodies of water vary; by means of this lock, vessels can pass either way at all states of the tide. Also known as guard lock; tidal lock; tide lock.
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