“trap seal”的概念、定义、翻译、参考文献-科学参考

单词	trap seal
释义	trap seal [`trap ´sēl] ^{CIVIL ENGINEERING} The vertical distance between the crown weir and the top of the dip of the trap in a plumbing system.
随便看	lumbago lumbang oil lumbar artery lumbar nerve lumbar vertebrae lumber lumberg lumbodorsal fascia lumbosacral plexus Lumbricidae Lumbriclymeninae Lumbriculidae Lumbricus Lumbrineridae lumen lumen-hour lumen per watt lumen-second lumerg luminaire luminance luminance carrier luminance channel luminance factor luminance primary

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