| 单词 | friction head |
| 释义 | > as lemmasfriction head friction head n. [head n.1 Phrases 3q(a)] the head that goes to overcome the frictional resistance of a liquid flowing in a pipe. ΘΚΠ the world > matter > liquid > liquid flow > action or process of flowing > [noun] > rate of flow > instrument to regulate or measure rate > specifically friction resistance friction head1889 1889 M. Merriman Treat. Hydraulics vii. 201 Y is the friction-head consumed in the large main. 1963 A. C. Twort Textbk. Water Supply x. 274 (caption) Friction head loss through various fittings, etc. < as lemmas |
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