| 单词 | suction valve |
| 释义 | > as lemmassuction valve suction valve n. (a) the valve at the bottom of the cylinder of a suction pump, below the piston; (b) the valve in a steam engine through which the water is drawn from the hot-well into the feed-pump (Knight, 1875). ΘΚΠ society > occupation and work > equipment > pump > [noun] > valves clap1626 clack1634 clapper1769 butterfly valve1809 suction valve1831 clack-valve1850 shoe-valve1858 butterfly clack1859 trap-valve1877 1831 D. Lardner Pneumatics v. 294 Probably the most simple and the best contrivance [for an air pump] is one in which the suction valve is altogether dispensed with. < as lemmas |
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