发布时间:2025-01-19 23:22:42
指各材料的含量比,石灰5%、粉煤灰15%、级配碎石80%(包括246石子、瓜子片、米子石粉,此项根据强度要求来实时调整,当强度要求高时,把骨料加大。一般是4:3:3,也可以是3:4:3和3:3:4)
合伙企业的个人合伙人经营所得个人所得税总结20230128更新
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