井體固定在鐵T型杆上,鐵杆連在地麵下的水泥坨上,已考慮地表冰土問題。風刮不倒,賊盜不走。(圖)
所有跟帖:
• 哇,果然有準備哎,無牙有心 -500miles- ♂ (0 bytes) () 09/18/2024 postreply 11:37:56
• 哇,果然有準備哎,無牙有心 -500miles- ♂ (0 bytes) () 09/18/2024 postreply 11:37:56
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