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Raw Attributes
-
duration_seconds:
484 -
media_size_bytes:
138830947 -
description:
喷气式发动机应该什么样,大家脑海里的第一印象大多是标准的圆筒配上繁冗复杂的外围设备,但在实际乘坐飞机时,我们常常能看到发动机的外形没有那么圆,甚至会以椭圆的方式呈现。比如商飞的919,从前方观察时,发动机外壳的的底部想被挤压了一样,而更严重的737,不仅整体看起来像个包子,内圈也有明显的变形。这些变形的结构并非发动机主体,而是环绕在发动机外圈,为发动机工作提供必要的支撑的设备,统称为发动机短舱,主要分为吊架、进气道、风扇整流罩和反推四个主要模块。 -
title:
发动机的外形,谁决定? -
id:
510 -
media_filepath:
/downloads/shows/机坪夜话 - 科普时刻/Season 2023/s2023e030800 - 发动机的外形,谁决定?.mp4 -
prevent_download:
false -
uploaded_at:
2023-03-08T15:04:46Z -
media_id:
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culled_at:
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inserted_at:
2025-10-04T12:13:27Z -
prevent_culling:
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thumbnail_filepath:
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tasks:
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short_form_content:
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matching_search_term:
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uuid:
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original_url:
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nfo_filepath:
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livestream:
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media_redownloaded_at:
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updated_at:
2025-10-05T03:21:02Z -
source_id:
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subtitle_filepaths:
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upload_date_index:
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playlist_index:
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metadata_filepath:
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media_downloaded_at:
2025-10-05T03:20:39Z -
predicted_media_filepath:
/downloads/shows/机坪夜话 - 科普时刻/Season 2023/s2023e030800 - _.mp4 -
last_error:
Nothing Here!