Specification for welding of rotating elements of equipment 设备的旋转元件的焊接规范
Liquid flow measurement in open channels . rotating element current - meters 明渠中液体流量的测定.旋转元件流速计
Machine foundations ; flexible structures that support machines with rotating elements 机器基础.具有旋转零件的机器用柔性支承结构
Standard test method for velocity measurements of water in open channels with rotating element current meters 用旋转体流速计测量明渠中水流速的标准试验方法
Measurement of liquid flow in open channels - measuring instruments and equipment - current meters incorporating a rotating element 明渠流量测量.第8部分:测量仪器和设备.第8a节:转子式流速计