彎的技巧是在管子裏灌沙而且要搗實了再加熱彎,這樣才不會癟了
隻要管壁夠厚就沒事
本帖於 2020-06-12 16:07:09 時間, 由普通用戶 MoonRiverMe 編輯
彎的技巧是在管子裏灌沙而且要搗實了再加熱彎,這樣才不會癟了
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