| 摘要 |
A framed panel ( 1 ) consists of a panel ( 2 ) mounted in a frame ( 3 ). In order to secure the panel, a shock cord ( 4 ) is fastened across the panel ( 2 ), one or both ends of the shock cord ( 4 ) being held in a cleat ( 6 a , 6 b), so that the panel ( 2 ) is arrested when subjected to shock.
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