His Royal Highness Prince » 王子殿下 replaceable batteries » 可替换的电池 my granny told me that most chiidren had a hard life before. » 我奶奶告诉我大部分的认同是多么得过着艰苦的生活。
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我想要一个可替换的电池。
电池使用寿命2年左右，可替换的电池我们也有单独销售。
Battery life is up to 2 years. Replacement batteries sold separately.
无线传感器需要能量才能工作，同时还需要对电池的维护，经济可承受的电池替换以及安全的电池处理方法。
Wireless sensors require energy to operate, and battery maintenance, economic battery replacement, and safe battery disposal are barriers.
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