| 单词 | return bend |
| 释义 | > as lemmasreturn bend return bend n. ΚΠ a1884 E. H. Knight Pract. Dict. Mech. Suppl. 754/2 Return Bend, a U-shaped pipe coupling for uniting the ends of pipes. 1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) iii. 98 These return bends incorporate plugs and other means of opening so that the inside of the tubes can be cleaned and inspected. 2002 R. D. Treloar Plumbing: Heating & Gas Installations (ed. 2) v. 218 The fill-up connection should be suitably capped and the vent fitted with a return bend to prevent then entry of water. < as lemmas |
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