Rollers
['rolɚ]
例句:
- The printing ink is applied with large rollers, and the damped paper having been placed carefully upon the stone, with blankets at the back, it is passed through the press. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- When the proper fineness had been obtained in this way, the cotton, as it passed from the second pair of rollers, was twisted into a firm strong thread by spindles attached to the frame. 鲁伯特·萨金特·荷兰. 历史性发明.
- The upper half of the wire cloth belt is supported by and runs over a series of closely juxtaposed rollers. Edward W. Byrn. 十九世纪发明进展.
- The oranges continue along these rollers until the space between the rollers has widened to the point where each particular size drops into a labeled bin. 佚名. 神奇的知识之书.
- About two hundred ingots are run through per hour on each pair of rollers. 佚名. 神奇的知识之书.
- After weeks of work he brought his teacher a remarkably exact map of the world, drawn to scale, and outlined in ink on paper pasted on linen, and fastened on two rollers. 鲁伯特·萨金特·荷兰. 历史性发明.
- The number of rollers and cylinders and the position and the length of the process to fully dry, compact, stretch and finish the sheet, may be, and are, varied greatly. 威廉·亨利·杜利特. 世纪发明.
- These inking rollers supplied an essential want in the working of Printing Machines. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- Under the second rollers each short length of gum is once more reduced in thickness and extended in length. 佚名. 神奇的知识之书.
- Formerly, the opening machines were simply cylinders armed with spikes, to which the cotton was led through nipping rollers, and then delivered in a loose, fluffy condition. 威廉·亨利·杜利特. 世纪发明.
- The cloth is dipped into a body of starch, or the same is applied by hand, and then the superfluous starch squeezed out as the clothes are passed through the rollers. 威廉·亨利·杜利特. 世纪发明.
- The Hungarians, the Germans, the Austrians, the Swiss, the English and the Americans have all invented useful forms of these rollers. 威廉·亨利·杜利特. 世纪发明.
- The cotton passed through the two pairs of rollers, and its extension depended entirely on the difference in the velocity of the revolutions of the two pairs. 鲁伯特·萨金特·荷兰. 历史性发明.
- The wire gauze, on to which the pulp is poured, is about 4 feet wide, and 25 feet long, and it is kept constantly moving onwards, by rollers at each end, over which it passes. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- The surfaces of the second rollers contain knives running lengthwise and around. 佚名. 神奇的知识之书.
- These ingots are passed between steel rollers till they form long ribbons of such thinness that a square inch will weigh six and one-half grains. 佚名. 神奇的知识之书.
- The old-style mangle had a box, weighted with stone, which was reciprocated on rollers, and was run back and forth upon the clothes spread upon a polished table beneath. 威廉·亨利·杜利特. 世纪发明.
- The transmitting instrument had five small wheels or rollers, instead of two, for making contacts through the perforations and causing short electric impulses to pass over the lines. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- When it is desired to give it a smooth, glossy surface, the paper, after its completion, is passed through animal sizing material, and then between drying and smoothing rollers. 威廉·亨利·杜利特. 世纪发明.
- The oranges then pass over automatic sizers--that is, V-shaped rollers revolving horizontally. 佚名. 神奇的知识之书.
- Earl Stanhope had endeavoured in vain to construct inking rollers, for which purpose he tried skins and pelts of various kinds, but the seam proved an obstacle that he could not overcome. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- The sheet passes over a large drum and through several guide rollers, till it is carried across the table _a h_, where it is cut lengthwise by knives, as it passes along. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- Usually there are three great rollers arranged one above the other, and automatic tables are provided for raising and lowering the plates in their passage from one set of rolls to the other. Edward W. Byrn. 十九世纪发明进展.
- After the hides are thoroughly dried they are then oiled and ironed by large rollers having several hundred pounds pressure. 佚名. 神奇的知识之书.
- It consisted of a combination of rollers armed with cutters, attached to a horizontal shaft revolving at a great speed, and of means for feeding the boards to the cutters. 威廉·亨利·杜利特. 世纪发明.
- The invention of printing machines was preceded by the manufacture of inking rollers, to supersede the pelt balls for distributing the ink over the types. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- This is done by drawing it between enormous iron rollers, rubber being applied on its surface as it passes through. 佚名. 神奇的知识之书.
- A soft, gelatinous composition, similar to that used in making printers’ rollers, is made and poured into shallow pans of the required size. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
- The rollers operate in sets, and successive crackings are obtained by passing and repassing, if necessary, the grain through these rollers, set at different distances apart. 威廉·亨利·杜利特. 世纪发明.
- The types are inked by a series of rollers, by which the ink is distributed and evenly laid on the face of the types without any manual labour. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
校对:桑福德