Switches

例句:

• Switches were brought in bundles, from a beech wood near the school house, by the boys for whose benefit they were intended. 尤利西斯·格兰特. U．S．格兰特的个人回忆录.
• The data and parts, such as motor, rheostat, switches, etc. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The circuits were opened and closed by means of about half a dozen roughly made plug-switches. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Here were made all the small things used on the electric-lighting system, such as sockets, chandeliers, switches, meters, etc. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Switches were changed a mile in advance by pulling a wire rope that passed along the ground by the rail, from station to station. 马克·吐温. 傻子出国记.
• Signals for the day and signals for the night gave constant and timely notice of the position of switches. 马克·吐温. 傻子出国记.

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