英语词汇“running trap”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	running trap
释义	running trap running trap running trap A depressed U-shaped section of pipe in a drain; allows the free passage of fluid, but always remains full, whatever the state of the pipe, so that it forms a seal against the passage of gases.
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