本发明是一种快速开启式检修盖，检修盖（1）的底面（4）对于顶面（3）投影落在顶面（3）内。
The invention discloses a fast-open access cover. The projection, relative to a top surface (3), of the bottom surface (4) of the access cover (1) is within the top surface (4).
本发明是一种快速开启式检修盖，检修盖（1）的底面（4）对于顶面（3）投影落在顶面（3）内。
The invention discloses a fast-open access cover. The projection, relative to a top surface (3), of the bottom surface (4) of the access cover (1) is within the top surface (4).
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