為什麽要AC,而不是DC,...電池裏的電好像是DC?
所有跟帖:
• 看了一下,AC的使用壽命長而且安全。 -thornbird888- ♂ (0 bytes) () 09/21/2013 postreply 05:34:09
• 看了一下,AC的使用壽命長而且安全。 -thornbird888- ♂ (0 bytes) () 09/21/2013 postreply 05:34:09
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