She awoke to the ringing of an electric bell.
她醒来时听到电铃在响。
An electric bell is arranged in the circuit between each voice operated switch and the power supply.
在各个声控开关与电源之间的电路上设有电铃。
If air weren't admitted into the bell jar the electric bell in the bell jar would not ring because of a lack of a medium.
如果我们不让空气进入铃罩，铃罩中的电铃一定会因缺少介质而不响了。
Please allow me to introduce you this electric bell, it attaches instructions and battery, the price is only 7.60 rubles.
请允许我向您推荐带有指令和电池的电铃，只要七卢布六十戈比。
If air weren't admitted into the bell jar, the electric bell in the bell jar would not ring because of a lack of a medium.
如果我们不让空气进入铃罩，铃罩中的电铃一定会因缺少介质而不响了。
By using the receptive relaxation reflex of the stomach as a basis, artificial conditioned reflex has been established with the sound of an electric bell or a metronome as indifferent stimulus.
用食道扩张刺激为基础，以电铃声或节拍器声作为条件刺激，可形成胃容受性舒张的条件反射。
The U. S. patent granted to Alexander Graham Bell in 1876 for developing a device to transmit speech sounds over electric wires is often called the most valuable ever issued.
1876年贝尔发明了一种装置，能在电线上传送声音，并获得了美国专利，人们往往称这个发明是最有价值的。
This paper introduces a bell type electric furnace with gas forced circulating for annealing or tempering.
本文介绍江西电炉厂设计制造的电加热强对流罩式退火炉。
A new technology and equipment of annealing and bluing for finished stator and rotor of uncoated cold-rolled electric steel lamination in bell-type hytrogen furnace was introduced.
介绍了无涂层电工钢冲片叠片成型后的电机定子和转子在罩式炉内进行退火和发蓝处理一次完成的新工艺及装置。
A new technology and equipment of annealing and bluing for finished stator and rotor of uncoated cold-rolled electric steel lamination in bell-type hydrogen furnace was introduced.
介绍了无涂层电工钢冲片迭片成型后的电机定子和转子在罩式炉内进行退火和发蓝处理一次完成的新工艺及装置。
Controlling room: it is made up of the optional push button, the sudden switch, the alarm bell push button and the electric lock, controlling up, down and stop of the lift car;
操纵厢：由层楼选择按钮、急停开关、警铃按钮、电气锁组成；控制轿厢的上行、下行和停止。
Controlling room: it is made up of the optional push button, the sudden switch, the alarm bell push button and the electric lock, controlling up, down and stop of the lift car;
操纵厢：由层楼选择按钮、急停开关、警铃按钮、电气锁组成；控制轿厢的上行、下行和停止。
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