GB/T 40237-2021.Test method for ignitability of foamed plastic-Welding spark method. 1范围 GB/T 40237规...
GB/T 23294-2021 耐磨耐火材料
GB/T 23294-2021.Abrasion resistant refractory materials. 1范围 GB/T 23294规定了耐磨耐火材料的术语和定义、分类与牌号、技术要求、试验...
GB/T 40120-2021 农业灌溉设备灌溉用热塑性可折叠软管技术规范和试验方法
GB/T 40120-2021.Agricultural irrigation equipment-Thermoplastic collapsible hoses for irrigation-Spe...
GB/T 40136-2021 太子参种植技术规范
GB/T 40136-2021.Technical specifications for planting pseudostellaria radix. 1范围 GB/T 40136规定了太子参种植的...
GB/T 40285-2021 智能水电厂大坝安全分析评估系统技术规范
GB/T 40285-2021.Technical specification for dam safety analysis and evaluation system of smart hydro...
GB/T 3480.5-2021 直齿轮和斜齿轮承载能力计算第5部分:材料的强度和质量
GB/T 3480.5-2021.Calculation of load capacity of spur and helical gears-Part 5 :Strength and quality...
GB/T 14229-2021 齿轮接触疲劳强度试验方法
GB/T 14229-2021.Test method of surface contact strength for gear load capacity. 1范围 GB/T 14229规定了关于渐...
GB/T 40307-2021 无损检测 材料织构的中子检测方法
GB/T 40307-2021.Non-destructive testing一Test method for texture by neutron diffraction. 1范围 GB/T 403...
GB/T 40335-2021 无损检测 泄漏检测 示踪气体方法
GB/T 40335-2021.Non-destructive testing-Leak testing-Tracer gas method. 1范围 GB/T 40335规定了使用示踪气体和示踪气体...
GB/T 2351-2021 流体传动系统及元件硬管外径和软管内径
GB/T 2351-2021.Fluid power systems and components-Outside diameters of tubes and inside diameters of...
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