英语词汇“nonsiphon trap”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	nonsiphon trap
释义	nonsiphon trap nonsiphon trap In plumbing, a trap, 1 whose seal (usually between 3 and 4 in.; approx. 7.5 and 10 cm) is not easily broken; the diameter is not greater than 4 in. (10 cm), and the water held in the trap is not less than 1 qt (0.95 liter).
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