| 单词 | tail-valve |
| 释义 | > as lemmastail-valve tail-valve n. (a) the air-pump valve in some forms of condenser; (b) = snifting valve at snifting adj. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves petcock1838 tail-valve1839 sea-cock1855 robinet1867 test-cock1877 Walschaerts1880 society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves > for expelling air snifting clack1744 snifting pipe1744 snifting valve1744 eduction1839 tail-valve1839 1839 R. S. Robinson Naut. Steam Engine Explained 131 It will have to pass through the blow-through, or tail valve. 1885 C. G. W. Lock Workshop Receipts 4th Ser. 99/2 It is usual to fix an extra valve, called a ‘tail’ valve, to prevent the water from running out of the pipe when not in use. < as lemmas |
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