铜及铜 合金铸件
Copper and copper alloy castings
检测标准
压铸锌合金
Die casting zinc alloys
振动与冲击传感器的校准方法 加速度计谐振测试通用方法
Methods for the calibration of vibration and shock pick-ups-Accelerometer resonance testing-General methods
旋转与往复式机器的机械振动 对振动烈度测量仪的要求
Mechanical vibration of rotating and reciprocating machinery-Requirements for instruments for measuring vibration severity
振动与冲击传感器的校准方法声灵敏度测试
Methods for the calibration of vibration and shock pick-ups-Testing of acoustic sensitivity
振动与冲击传感器的校准方法温度响应比较测试法
Methods for calibrationof vibration and shock pick-ups-Testing of temperature response by comparison
振动与冲击传感器的校准方法基座应变灵敏度测试
Methods for the calibration of vibration and shock pick-ups-Testing of base strain sensitivity
多股圆柱螺旋弹簧
Stranded wire cylindrical helical springs
湿式(非金属类)摩擦材料
Wet type( non-metallic) friction materials
槽销 半长倒锥槽
Grooved pins-Half-length reverse-taper grooved
