Novel structure, small volume, light weight, easy to operate, the maneuverability is strong, is not restricted by power supply environment.
结构新颖，体积小，重量轻，操作方便，机动性强，不受电源环境的限制。
Novel structure, small volume, light weight, easy to operate, the maneuverability is strong, is not restricted by power supply environment.
结构新颖，体积小，重量轻，操作方便，机动性强，不受电源环境的限制。
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