running trap
Plumbing
noun
A U-bend fitted in a horizontal pipe, often in order to allow gases to escape from a piping system through an attached vent.
Origin
Late 19th century; earliest use found in The Daily Evening Bulletin.
| 单词 | running trap |
| 释义 | running trapPlumbing noun A U-bend fitted in a horizontal pipe, often in order to allow gases to escape from a piping system through an attached vent. Origin |
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