词汇	波纹收报机
释义	波纹收报机 undulator
随便看	Flow direction arrow on body flow direction determination Flow direction measurement flow direction meter flow direction probe flow-direction probe flow direction scalar field flow direction turbulence flow direction vane flow discharge flow discharge detector flow discharges flow discrete flow disk flow dispatching flow dispersion flow displacement type plethysmograph flow-displacement type plethysmograph flow disrupter flow distance flow distortion flow distributing and collecting valve flow-distributing device flow-distributing synchronous valve flow distributing system