| 单词 | friction-block |
| 释义 | > as lemmasfriction-block friction-block n. a block which is pressed against a revolving body to arrest its motion by friction. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. II. 915/2 Friction-brake, a form of dynamometer invented by Prony, in which a pair of friction-blocks are screwed to a journal rotating at a given speed. < as lemmas |
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