The access door shall be equipped with a flush aluminum drop handle, which shall not protrude above the cover and an automatic hold-open arm with red vinyl grip on a release handle.
检修门应该配置铝冲落手柄，使其不会伸到盖子上方；在释放柄上，配置红色乙烯把手的自动开启把柄。
The access door shall be equipped with a flush aluminum drop handle, which shall not protrude above the cover and an automatic hold-open arm with red vinyl grip on a release handle.
检修门应该配置铝冲落手柄，使其不会伸到盖子上方；在释放柄上，配置红色乙烯把手的自动开启把柄。
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