| 单词 | backwater valve |
| 释义 | backwater valvenouna valve for preventing flowing liquid, as sewage, from reversing its direction. Also called backflow valve. Words nearby backwater valvebackwardation, backward heart failure, backwards, backwash, backwater, backwater valve, backwind, backwoods, backwoodsman, backword, backwrap Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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