建築角度講,幾乎任何結構都有至少一個弱點---可以放炸藥包的地方:)
從
所有跟帖:
• 一團亂麻去掉任何一根都不會影響其整體穩定 -賈平凸- ♂ (50 bytes) () 11/03/2011 postreply 10:18:51
• 一團亂麻去掉任何一根都不會影響其整體穩定 -賈平凸- ♂ (50 bytes) () 11/03/2011 postreply 10:18:51
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