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| 单词 | rasp-drum |
| 释义 | > as lemmasrasp-drum rasp-drum n. now rare the drum in a machine for rasping vegetables, the surface of which acts as a grater. ΚΠ 1839 A. Ure Dict. Arts 1165 The hopper b is attached to the upper frame, has its bottom concentric with the rasp-drum, and nearly in contact with it. 1924 A. J. Wallis-Tayler Sugar Machinery (rev. ed.) xv. 306 The rasp-drum is rotated at a speed of from 700 to 800 revolutions per minute, and is capable of reducing from 12½ to 15 tons of roots into pulp per day. < as lemmas |
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