The calculations revel they'd need about 60,000 square meters of battery storage.
他们陶醉的计算就需要约6.0万平方米的电池储存。
One charge of the robot's battery pack allows it to operate for a quite respectable 90 minutes, descending a maximum of 10 meters (33 ft).
一次充电机器人的电池组的允许它运行了相当可观的90分钟，下降最多的10米(33英尺)。
One charge of the robot's battery pack allows it to operate for a quite respectable 90 minutes, descending a maximum of 10 meters (33 ft).
一次充电机器人的电池组的允许它运行了相当可观的90分钟，下降最多的10米(33英尺)。
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