發送短信 : Static strength of axially loaded EHS X-joints with braces welded to the narrow sides of the chord

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/ //---`'  | ||__     \   //    \ ` //  | |  \ || 
\ \\___    | ||__     / . \\     | ||   | |__/ || 
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  `----`   `-----`   `-`  --`    `-`'    -----`