词汇	电杆顶部
释义	电杆顶部 head of the mast
随便看	borehole seal borehole seismic logging of rock mass borehole seismic observation borehole seismic survey borehole seismograph borehole seismometer borehole service borehole shear strainmeter borehole shear strain observation borehole shooting borehole signal borehole sinking borehole spacing borehole stability borehole stabilization bore hole stabilization bore-hole stabilization borehole standardization borehole stemming borehole strain borehole strainmeter borehole strain meter borehole strain-meter borehole strainmeter observation Borehole strainmeter observations