| 单词 | tension-roller |
| 释义 | > as lemmastension-roller tension-roller n. = tension-pulley n. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > pulleys pulleya1586 tension-roller1835 idle pulley1873 jockey-pulley1893 1835 A. Ure Philos. Manuf. 196 The tension or stretching-roller has its axle mounted in the segment-racks as usual. < as lemmas |
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