Portable and intelligent instructments are easy to operate, light, handy, and battery powered.
便携式智能仪器应具有操作简单、小巧轻便、电池供电等特点。
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Indicator light on the toy lets you know it is powered up.
根据指标的玩具让你知道这是电。
Solar powered LED garden light;
相关买家：太阳能LED花园灯；
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