你可能没用过带电池的，你试一下，太方便，我连油马达的都不用了。钱不花留着干嘛，还是美金。

来源: bigcatf4 于 2020-06-30 06:16:39 [旧帖] [给我悄悄话] 本文已被阅读：次

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