中粗砂规格规定？-法律综合法律援助-法律咨询免费平台-国际律师联盟

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问题	中粗砂规格规定？
释义	律师解答：粗砂：细度模数为3.7—3.1，平均粒径为0.5mm以上。中砂：细度模数为3.0—2.3，平均粒径为0.5—0.35mm。细砂：细度模数为2.2—1.6，平均粒径为0.35—0.25mm。特细砂：细度模数为1.5一0.7，平均粒径为0.25mm以下。【法律依据】：《中华人民共和国标准化法》第九条制定标准应当有利于合理利用国家资源，推广科学技术成果，提高经济效益，并符合使用要求，有利于产品的通用互换，做到技术上先进，经济上合理。
随便看	公司没有固定电话怎么申请信用卡外商独资企业注册资本要求外商独资企业注册资本要求世硕自离手续办理流程法律问题外商独资企业注册资本要求注册外商投资企业注意事项苏州博士落户安家费是多少？外商独资企业注册流程是怎样的? 外商独资公司注册的流程苏州博士落户安家费是多少博民贷款合法吗？博士入户广州条件法律问题苏州博士落户安家费是多少？起搏器使用者被拒赔，如何寻求法律援助？外商独资企业注册流程外商独资企业注册资本要求中国式过马路属于哪种类别违法行为中国式过马路属于哪种类别违法行为非道路的范围有哪些船舶抵押权随债权转移吗船舶变更要怎么登记？船舶所有权怎么转让？船舶所有权转移需要进行登记吗拍卖被扣押船舶后如何清偿债务网络虚拟财产的性质与法律保护是怎样的 system of proof system of public prosecution system of punishment system of punishment against old offenses system of quality certification system of recognition system of recourse system of recruitment system of registration and certification for the right to the use of land system of regular wage increases system of regulations governing the control of weaponry system of reporting accidents to higher authorities for handling system of resignation and dismissal of civil servants system of responsibility for investment system of responsibility for work system of responsibility in agricultural production system of retained profits system of revestigating into misjudged cases system of reviewing the performances of staff and workers system of reward and punishment for cadres system of safety inspection inside prison system of sanitation permit for public places system of security measures system of self-governing person system of separate accounts of funds

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