| 单词 | flank angle |
| 释义 | > as lemmasflank angle flank angle n. Mechanics (see quot. 1954). ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > screw > thread > parts of thread root1865 lead1905 crest1916 flank angle1951 1951 Engineering 21 Sept. 369/3 A screw thread has..seven elements of shape and size: major diameter, minor diameter, effective diameter, pitch, flank angles, [etc.]. 1954 Defs. for Use in Mech. Engin. (B.S.I.) 17 Flank angles, the angles between the individual flanks and the perpendicular to the axis of the thread measured in an axial plane section. < as lemmas |
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