annular bit
常見例句
- 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鑽井動態(tài)監(jiān)測短節(jié)（DDM）測量和記錄鑽頭処的鑽壓、扭矩、彎矩、鑽具內(nèi)和環(huán)空的壓力和溫度。 返回 annular bit