现同意《预应力混凝土路面工程技术规范》为国家标准，编号为GB50422-2017，自2017年1...·
本规范适用于工业与民用建筑和构筑物中预应力钢结构的规划、施工及检验、防护和保护。详文如下： ...·
现同意《预应力混凝土路面工程技术规范》为国家标准，编号为GB50422-2007，自2007年1...·
连日来，坐落我区的中铁十四局重黔铁路站前2标管片场出产车间一片如火如荼出产现象，机器轰鸣声此伏彼...·
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1970-01-01 08:00:00
根据QYResearch研究团队调研统计，2023年全球糊盒机市场销售额达到了22亿元，预计20...
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1970-01-01 08:00:00
机器的一个组成部分，经过具有高度人机交互特色的技能，使人们的日子更方便快捷和智能。跟着 ...
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1970-01-01 08:00:00
中商情报网讯：模具被称为“工业之母”，是对原材料来加工，赋予原材料以完整构型和精确尺寸的加工工具...
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外贸模具CRM管理系统，以其独特的核心功能和显著的应用价值，为外贸模具行业的企业管理和市场开拓提...
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“有了它，我们的观念整个都改变了。”在一汽-大众供应商的生产车间里，注塑模具工程师王晓磊指着车间...
