”杆子底部涂上一圈沥青“ 是为了防松鼠?
放个鸟窝,工程太大了点
• tar to prevent wood from rotting. -borisg- ♂ (51 bytes) () 01/08/2023 postreply 11:50:44
• 奥,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尺够深。要是我的话,都不放水泥,直接底部填碎石子,顶部填土。将来不要了,也容易还原恢复 -Sunblue- ♀ (0 bytes) () 01/08/2023 postreply 12:04:52