Gears

例句:

• A brake was provided for in the specification, as were also variable gears for changing speed, and an automatic blower for the fire. Edward W. Byrn. 十九世纪发明进展.
• As the waxed disc and pan are revolved, the stylus and diaphragm are gradually moved by gears toward the center of the disc. Edward W. Byrn. 十九世纪发明进展.
• All of the parts of the bicycle have come in for a share of attention at the hands of inventors, differential speed gears and brakes having received especial attention. Edward W. Byrn. 十九世纪发明进展.
• As the armature rotates, its motion is communicated by gears to the wheels, the necessary current reaching the motor through the overhead wires. 伯莎M.克拉克. 科学通论.
• A large sulphate of copper battery was employed, which could through the agency of a train of gears give only a very slow speed. Edward W. Byrn. 十九世纪发明进展.
• It consisted of a circular series of barrels mounted on a central shaft, and revolved by suitable gears and a hand crank. Edward W. Byrn. 十九世纪发明进展.
• This model was kept first at G?ttingen and afterward at Hanover, but it did not act efficiently, as the gears were not cut with sufficient accuracy. 佚名. 神奇的知识之书.
• He became thoroughly familiar with the intricacies of fire-box, boiler, valves, levers, and gears, and liked nothing better than to handle the locomotive himself during the run. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

校对:瓦珥