”杆子底部塗上一圈瀝青“ 是為了防鬆鼠?
放個鳥窩,工程太大了點
• tar to prevent wood from rotting. -borisg- ♂ (51 bytes) () 01/08/2023 postreply 11:50:44
• 奧,是埋在地下的部分。想得周到~ -Sunblue- ♀ (63 bytes) () 01/08/2023 postreply 11:55:47
• treated wood still rots, just slowlier... -borisg- ♂ (76 bytes) () 01/08/2023 postreply 11:58:52
• 2尺夠深。要是我的話,都不放水泥,直接底部填碎石子,頂部填土。將來不要了,也容易還原恢複 -Sunblue- ♀ (0 bytes) () 01/08/2023 postreply 12:04:52