单词 | screw valve |
释义 | > as lemmasscrew valve screw valve n. ΚΠ 1812 Repertory Arts, Manuf., & Agric. 2nd Ser. May 321 I attach my former patent spiral burner with a screw valve as therein described. 1933 A. W. Barton Text Bk. Heat ii. 44 In performing an experiment, the tap..was opened and the screw valve..was adjusted to give a suitable difference in levels on the manometer. 2014 N. Long et al. in North Amer. Tunneling: 2014 Proc. (Soc. for Mining, Metallurgy & Explor.) 948 The valves need to be capable of adjusting the volume easily and accurately; this can be achieved with ball valves, screw valves, etc. < as lemmas |
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