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seismograph drill
meaning in Chinese
地震孔物探钻机
地震孔钻机
Related Words
seismograph
portable seismograph
wiechert seismograph
facsimile seismograph
submarine seismograph
electrostatic seismograph
strain seismograph
borehole seismograph
optical seismograph
willmore seismograph
seismograph bit
seismograph calibration
seismograph electric blasting cap
seismograph electric detonator
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