| 摘要 |
A pneumatically inflatable structure including two adjacent pairs of bowed a nd criss-crossed pneumatic tubes mounted at their ends to a base wherein each o f the two pairs of tubes form a frame defining a downwardly concave substantially domed enclosure, and a further vault-forming bowed pneumatic tube mounted to the base so as to be substantially vertical and sandwiched between adjacent ends of the two adjacent pairs of tubes. The two adjacent pairs of tubes and the vault-forming tube define an elongate open enclosure including the substantially domed enclosures and an inter-connected vaulted passage-way.
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