求翻译：被困时，保持头脑清醒，设法将手脚挣脱出来，消除压在身上的物体，尽快捂住口鼻，防止烟尘窒息，等待求援。是什么意思？

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Trapped, sober, trying to break away from the legs and hands on them, to eliminate many of the objects as soon as possible, shut up and nose to prevent choking smoke and dust, awaiting rescue.

When is stranded, the maintenance is clear-headed, tries the hands and feet to work loose, disappears the decompression on the body object, covers as soon as possible stops talking the nose, prevented the mist and dust suffocates, waited for requests reinforcements.

When trapped, keep the head, hands managed to break out to eliminate the pressure on the body object, cover your nose and as soon as possible to prevent choking smoke and dust, waiting for help.

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