| 单词 | index arm |
| 释义 | > as lemmasindex arm index arm n. ΘΚΠ society > occupation and work > equipment > machine tool > [noun] > adjustable bearing holding workpiece > that enables sequences of operations > part of index spindlea1884 index crank1905 index pin1905 index arm1919 indexing pin1964 1919 H. Thompson Mod. Engin. Workshop Pract. xi. 173 By turning this index arm and spindle, motion is given to the worm and worm-wheel. < as lemmas |
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