发布时间:2025-01-31 12:02:29
这个要看你营养土的成分,正常营养土和黄沙比例为1:1,黄沙主要增加过水性,防止水肥过大引起烂根,营养土如果泥炭土、椰糠等成分过大则要增加黄沙的比例
做个书架宽4500宽450深2000高14列怎样算出平方多少有知道怎样算的吗
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