2) 用小石子 (約1-2 mm直徑) 填滿盆中的圓柱位. Fill the conical shaped ducts with gravel (approx 1 - 2mm diameter)
上傳於 2011-8-30 10:36 (17.6 KB)
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聯絡園藝館|手機版|HKplants
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