... motor-operated rheostat 电动操作变阻器 motor-operated shutter 机动阀门 motor-operated switch 电动断路器,电动开关 ...
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This shutter device for fading a picture can be operated by hand.
这个使画面惭入的遮板装置可以用手操作。
The double-faced hollow toughened glass provides good sound insulation, heat insulation and safety. Installing power-operated or magnetic control shutter will save you the trouble of curtain cleaning.
配置中空双面钢化玻璃，隔音、隔热、安全性能佳。玻璃内可配置电动或者磁控百叶帘，可免除装普通窗帘清洁的烦恼。
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