双拱鎚 Double-arch hammer ; Hammer, double-arch
双拱锤 Double-arch hammer ; hammer, double-arch
双拱形浮标 ogival buoy
双拱燃烧 double-arch firing
双拱门公寓酒店 Double Arch Apartments
双拱炉膛 double-arch furnace
双铰拱 two hinged arch ; double hinged arch ; arch hinged at ends
双拱门 Double Arch
双拱型钢管结构体系 double-arch-steel-tubular structure
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.
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.
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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