| 单词 | government valve |
| 释义 | > as lemmasgovernment valve ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > boiler > [noun] > parts of > valves safety valve1744 clack1829 government valve1837 fusible plug1874 feed check valve1895 1837 Niles' Weekly Reg. 26 Aug. 404/1 With the aid of this, as it were government valve, there can be no danger of a violent explosion, such as we weekly chronicle. 1860 Mercantile Marine Mag. 7 216 The vessel was loaded at 25 lb. upon the government valve. 1893 E. Seeger Chicago, Wonder City 166 He blew out his government valve, (raising the steam pressure on the ‘Magnolia's’ boiler to 150 pounds, or 60 pounds more than allowed by law). < as lemmas |
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