EXT-70 extruder is a special device used to produce explosive wire for seismic explanation and pigtail for geophone array.
EXT- 70挤出机是生产地震炮线、检波器组合软电缆的专用设备。
EXT-70 extruder is a special device used to produce explosive wire for seismic explanation and pigtail for geophone array.
EXT- 70挤出机是生产地震炮线、检波器组合软电缆的专用设备。
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