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单词 pyrostat
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pyrostat
pyrostat n.
Brit. /ˈpʌɪrə(ʊ)stat/
,
U.S. /ˈpaɪrəˌstæt/
rare (a) a thermostat, esp. one operating at high temperatures; (originally) spec. a device for automatically regulating the draught through a chimney; (b) any of various automatic devices for detecting a fire and triggering an alarm, sprinkler system, etc.
ΚΠ
1853 A. Ure Dict. Arts (ed. 4) II. 845 Fig. 1455 represents a chimney, furnished with a pyrostat.
1934 Webster's New Internat. Dict. Eng. Lang. (ed. 2) Pyrostat, any of various kinds of automatic devices which, when exposed to heat, light, smoke, or some other manifestation of an accidental fire, actuate a mechanism for giving a warning or for setting in operation a means of extinguishing such a fire.
2002 R. W. Burgess Real Estate Home Inspection (ed. 5) viii. 301/1 After a burner is shut down for weeks or months, pyrostat contacts may fall out of step, which prevents the burner from starting.
extracted from pyro-comb. form
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更新时间:2025/1/12 4:23:55