Unverified88% confidenceDecision RuleTime unknown
粒径选择按盆径匹配:口径<10cm盆用小粒(2-3mm)、10-20cm用中粒(4-6mm)、>20cm或铺面打底用大粒(6-12mm),混合使用时下层大粒排水、上层小粒保根
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