超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
零指示示波器
null-indicating oscilloscope
行波示波器
travelling-wave oscillograph
travelling wave oscilloscope
travelling-wave oscilloscope
TWO Traveling Wave Oscillograph
travel(l)ing-wave oscillograph
多波多分量
multiwave multi component
multiwave multi-component
multi wave and multi component
Multi-wave and Multi-component
multiwave and multicomponent
Multi-waves and multi-components
multiwave component
multiwave-multicomponent
多波多分量地震
multiwave multicomponent seismology
多波多分量地震勘探
multi-component multi-wave seismic exploration
Multi-component seismic exploration
多波多分量地震勘探技术
the multi-wave and multi-component seismic exploration
多波多分量勘探
multi-wave multicomponent exploration
多路记录示波器
multichannel recording oscillograph