我们头顶上是尖形双拱屋顶，木雕贴面。

Overhead, a roof of double Gothic arches, panelled with carved wood, painted.

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结果可用于解释：多带耀斑的产生、双拱磁结构和拉长的复杂黑子群上空的磁场结构。

The results are used to interpret the producing of multiple-ribbon flares, two-arch magnetic structures and the structures of the magnetic field above the elongated complicated groups of sunspot.

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四角切向燃烧和墙式对冲燃烧方式都有此问题，而W火焰双拱燃烧锅炉则更严重，值得关注。

This problem had occurred under corner tangential firing and wall opposed firing, and it became even more serious under W-shaped flame double-arch firing.

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