| 单词 | screw rate |
| 释义 | > as lemmasscrew rate 10. Mechanics. The number of threads of a screw per unit length. Also screw rate. Cf. pitch n.2 27b. Now rare. ΚΠ 1846 C. Holtzapffel Turning & Mech. Manip. II. 637 In this comparatively inferior class of screws..whether or not their pitches or rates have any exact relationship to the inch, is a matter of indifference. 1906 P. N. Hasluck Metalworking 470/1 The problem is how to utilise the leading screw A, whose pitch or rate of thread is constant and invariable. 1960 Dict. Mech. Engin. (ed. 8) 307 Screw rate, the rate of a screw signifies the number of threads per inch which it contains. < as lemmas |
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