母锥是一种石油打捞工具，由上接头和本体两部分组成。
母锥是一种专门从油管、钻杆等管状落物外壁进行造扣打捞的工具。
The box taps is a special external tool cutting thread and fishing externally from dropped object such as tubing, drill pipe.
橡胶促进剂母粒造粒机密炼机的团状料经提升机，锥双喂料机，挤出机，切粒，冷却，筛分，终端料仓全部自动化，流水作业。
Granulation of Accelerator masterbatch confidential internal mixer-material hoist, conical double feeder, extruder, pelletizing, cooling, screening, Terminal bin full automation, assembly-line.
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