有人在reddit討論過
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• 北加沙低於海平麵,埃及試過淹沒跨過邊境的地道,那段土質確實比較鬆 -voiceofme- ♂ (0 bytes) () 10/21/2023 postreply 12:53:00
• 如果能夠挖成功地道,地道裏麵沒有水,疏鬆的沙土,地道由拱形的水泥修建。那麽灌水也會馬上漏下去,除非引海水漫灌,造成沼澤。 -easycity- ♂ (0 bytes) () 10/21/2023 postreply 13:13:57
• 北加沙低於海平麵,埃及試過淹沒跨過邊境的地道,那段土質確實比較鬆 -voiceofme- ♂ (0 bytes) () 10/21/2023 postreply 12:53:00
• 如果能夠挖成功地道,地道裏麵沒有水,疏鬆的沙土,地道由拱形的水泥修建。那麽灌水也會馬上漏下去,除非引海水漫灌,造成沼澤。 -easycity- ♂ (0 bytes) () 10/21/2023 postreply 13:13:57
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