英语词汇“nonreturn”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	nonreturn
释义	Word Frequency nonreturn (ˌnɒnrɪˈtɜːn) adjective denoting a mechanism that permits flow in a pipe, tunnel, etc, in one direction only a nonreturn pipe
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