| 单词 | rackwork |
| 释义 | > as lemmasrackwork rackwork n. mechanical parts comprising or incorporating a rack for adjustment or positioning. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > mechanism > [noun] > other specific mechanisms stop?1523 clockwork1652 sector1715 rackwork1755 scapement1789 scape1798 safety catch1827 controller1836 dog1840 Geneva stop1841 Maltese cross1852 throw-off1852 gearhead1869 tripper1870 Scotch yoke1880 Geneva movement1881 belt-tightener1882 watch1882 selector1890 Geneva wheel1891 throw-out1894 Geneva motion1897 horse-geara1899 Geneva mechanism1903 safety catch1904 Geneva drive1913 Geneva1919 Possum1961 1755 J. Smeaton Diary 17 June in Journey to Low Countries (1938) 4 The ebb gates had shuttles which draw by rack work as described by bellidor. 1892 Photogr. Ann. II. 300 The camera has double extension for focussing, the front moving by rackwork adjustment, the back by sliding in grooves, and held in position by clamping screws. 1986 New Phytologist 104 163 The upper muscle ligatures were attached to a set of Grass FT 0·3 force displacement transducers held in adjustable rackwork. < as lemmas |
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