Open the back cover and push down the release pin on the back cover to remove.

打开后盖，按下后盖上释放针，以便卸下后盖。

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Open your map on a table or pin it to a wall in your computer room.

在你的电脑房中的桌子上打开一张地图或将它钉在墙上。

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First open your front door and check for a pin tumbler lock on it.

首先打开你的大门，并检查了不倒翁密码锁。

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First open your front door and check for a pin tumbler lock on it.

首先打开你的大门，并检查了不倒翁密码锁。

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