It can measure drilling engineering parameter, such as drilling pressure, torque, side pressure and annular pressure etc.
钻压、扭矩、侧向力、环空压力等钻井工程参数可以随钻进行测试。
A circular insulation sheath is also arranged on the outer side of a socket. An annular interval groove is also arranged in the insulation sheath.
其插座的外侧也有一个圆形绝缘护套，护套中也有一个环形间隔槽。
The process for producing an annular, concentrically twisted bead cord (2) includes spirally winding side wires (12) around an annular core (11) to form a sheath layer (13).
该制造方法是通过围绕环形芯（11）螺旋地缠绕侧线（12）而形成套层（13）来制造环形同心绞股胎圈帘线的方法。
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