... 主梁 girder 主屋架 main couple 主斜杆 main diagonal ...
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... 形桁架 a truss; a-truss; k truss 主桁架 main couple; main truss; primary truss 字桁架 n truss ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
There are a couple of main reasons why Sony is releasing these PS3 updates.
FORBES: Sony Pushes PlayStation Network To The Fore With The Latest PlayStation 3 Update
Sport and action cameras are big business, and even though there are a couple of main players, it doesn't stop other's trying to get a bite of the apple.
ENGADGET
Following their exchange of vows, the couple's main titles became the Duke and Duchess of Cambridge.
BBC: Royal wedding: Thousands in Northern Ireland celebrate
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