P-trap
/ˈpiːtræp/noun
- a trap consisting of a U-bend with the upper part of its outlet arm bent horizontallyP型存水弯。
词源
late 19th cent.: so named because of its shape.
单词 | P-trap |
释义 | P-trap/ˈpiːtræp/noun
词源 late 19th cent.: so named because of its shape. |
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