pump box
/ˈpʌm(p) bɒks/noun
(A) A box that houses a pump, the casing or cap of a pump (originally a ship's pump). (b) A casing or box in a pump containing a valve.
Origin
Late Middle English; earliest use found in Account. From pump + box.
| 单词 | pump box |
| 释义 | pump box/ˈpʌm(p) bɒks/noun (A) A box that houses a pump, the casing or cap of a pump (originally a ship's pump). (b) A casing or box in a pump containing a valve. Origin |
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