annular bit

常見例句

雙語例句

• APS's Drilling Dynamics Monitor (DDM?)* measures and records weight on bit, torque on bit, bending on bit, internal and annular pressure and temperature.
  APS鉆井動態(tài)監(jiān)測短節(jié)（DDM）測量和記錄鉆頭處的鉆壓、扭矩、彎矩、鉆具內(nèi)和環(huán)空的壓力和溫度。
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