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central beam; central member; central rail | |||
main girder primary beam | |||
primary beam; girder | |||
main girder | |||
main truss | |||
box spar | |||
deep beam; girder beam; jack beam; king girder; king piece; kingpost; main frame; main supporting beam; primary girder; principal beam; principal girder; spar boom; spine beam; stub pole | |||
main beam; main spar | |||
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kingpost | |||
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main beam | |||
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main member | |||
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main rail | |||
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main girder | |||
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king-piece | |||
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main beam | |||
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main bearer | |||
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main beam |
主 梁 : 83 phrases in 17 subjects |