| 单词 | frost valve |
| 释义 | > as lemmasfrost valve frost valve n. a valve which can be opened to allow water to escape from a part of a pipe, pump, etc., where it is liable to freeze. ΘΚΠ society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > for water > valve of frost valve1865 check-valvea1877 1865 Mechanics' Mag. 4 Aug. 68/3 A pipe may be fitted for carrying off the waste water from the frost valve into a drain. 2010 U.S. Patent 224,182 7/2 This arrangement can also utilise a temperature sensitive frost valve. < as lemmas |
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