单词 | exhaust-lap |
释义 | > as lemmasexhaust-lap exhaust-lap n. ΚΠ 1888 Lockwood's Dict. Mech. Engin. 130 Exhaust lap, the reduction or narrowing of the inner faces of a slide valve to less than that distance which would correspond with a length measured between the inner edges of the steam ports, by which difference the ports are closed earlier than they would be if their edges coincided exactly with those of the arch of the valve. 1889 P. N. Hasluck Model Engin. Handybk. (1900) 115 The projection on the inside or exhaust side of the face is called the inside or exhaust lap. < as lemmas |
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