| 单词 | return pipe |
| 释义 | > as lemmasreturn pipe return pipe n. ΚΠ 1829 J. Rayner Patent in London Jrnl. Arts & Sci. 3 308 A return pipe entering at the nozzle c. 1839 Civil Engineer & Architect's Jrnl. 2 306/2 H the return-pipe. 1922 Gas Manuf., Distribution & Use (Brit. Commerc. Gas Assoc.) ii. 57/2 Connect its pipes with the flow and return pipes from the coal-range boiler. 1993 Collins Compl. DIY Man. (new ed.) ix. 411/1 The main draincock for the system will normally be in the return pipe near the boiler. < as lemmas |
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