Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
The servo components of the locating system are composed of current adapter, generate masters, step drivers, and stepper motors.
定位系统的伺服组件由转换器、主控器、驱动器及步进电机构成。
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