A device used to hold plugs until they are released and pumped down the casing during cementing operations.
一种装置，用于在注水泥作业过程中悬挂胶塞，直到将其释放并在注水泥作业中沿套管内泵入。
Using a key combo: turn the device off, then turn it on and immediately hold down the relevant key combination for your device.
使用一个键组合：关闭设备，然后打开它，并立即按住您的设备的相关密钥组合。
To do this, go to the Home screen and hold down ALT while typing 'LGLG. ' This retrieves a long list of numerous confusing codes representing the functions that were performed on your device.
回到主屏幕，按下Alt键的同时输入“LGLG”，就能获得一长串让人迷惑的代码，这些代码表示你在手机上操作过的功能。
To do this, go to the Home screen and hold down ALT while typing 'LGLG. ' This retrieves a long list of numerous confusing codes representing the functions that were performed on your device.
回到主屏幕，按下Alt键的同时输入“LGLG”，就能获得一长串让人迷惑的代码，这些代码表示你在手机上操作过的功能。
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