单词 | heart wheel |
释义 | > as lemmasheart wheel heart wheel n. Mechanics (now rare) = heart cam n. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > converters > cams snail-cam1591 snail-work1591 snail1714 cam1777 heart wheel1786 snail-wheel1831 heart1834 heart cam1835 1786 Brit. Patent 1,564 (1856) 3 The heart wheel r, being fast to the wheel q, turns round with it on a pin. 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) III. 997 The periphery of the heart-wheel..is seen to bear upon friction wheels. 1907 H. R. Carter Mod. Flax, Hemp, & Jute Spinning & Twisting vii. 114 The revolution of the heart wheel produces an up-and-down motion in the levers. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。