自动桥位采用双剪切设计，无须更换剪切刀，附有备用装置。
Double cutting design is applied to automatic bridge site, no blade changing, with prepared device.
论述了微机式备用电源自动投切装置工作原理。
This paper discussed the principle of an automatic switch for power source reserve with computer.
论述了微机式备用电源自动投切装置工作原理。
This paper discussed the principle of an automatic switch for power source reserve with computer.
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