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更换卡西欧 FX-991EX 的电池

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Casio FX-991EX Battery Replacement, Remove the battery cover: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Casio FX-991EX Battery Replacement, Remove the battery cover: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
Remove the battery cover

  • Remove the battery cover's screw using a Philips #0 screwdriver.

卸下电池后盖

用 Phillips #0 螺丝刀卸下电池后盖的螺丝。

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