转变 – phrases

Terms for subject Drilling containing 转变 | all forms | in specified order only

Chinese	English
最优化钻井方式变钻压和变转速	variable weight and rotary speed
可变齿轮转速比	optional gear ratio
定转速变钻压法	constant rotary speed variable weight
岩石脆-塑性转变压力	brittle-plastic transitional pressure of rock
旋转流变仪	rotational rheometer
稳定转速改变钻压钻井法	constant rotary speed variable weight
转向可变马达	reversible motor
转盘变速器	rotary transmission