释义 |
ˈroller-gin [roller n.1 4 b.] A cotton-gin in which the cleaning was effected by rollers.
1825J. Nicholson Operat. Mechanic 378 The roller-gin..consists of two shallow fluted rollers..placed so near to each other, that when the cotton is thrust against the line where they enter into contact, they immediately seize hold of it. 1851Art Jrnl. Illustr. Catal. p. iii**/2 The machine now almost universally used..is the saw-gin, the roller-gin having been supplanted even in India. 1888Encycl. Brit. XXIII. 757/2 The ‘roller gin’ could clean only a half dozen pounds [of cotton] a day by slave labour. |