水はけが悪くて、いつも水溜まりが出来てしまう土地にコルゲート管(暗渠排水管)を埋設したらその効果は絶大だった!! / マイキャンプ場を作る【Vol.11】 はまけんOutdoors 2 years ago Play Download
[Garden DIY] Dramatically improve drainage by burying drainage pipes underground! とっことんDIYチャンネル 3 years ago Play Download
Can a drainage pipe solve poor drainage in a garden? #DIY #Craftsman #Garden 庭づくりチャンネル 2 years ago Play Download
A thorough explanation of culvert pipe construction, starting from the base! 庭づくりチャンネル 3 years ago Play Download
[Field Management] To improve drainage, we installed an underground drainage system. We dug a tre... こもろっこちゃんねる 4 years ago Play Download
[DIY] Super easy ♪ How to improve drainage in your garden ♪ #shorts とっことんDIYチャンネル 4 years ago Play Download