三点式转矩调节
three-value torque
three-value torque regulating
可调式扩眼器
adjustable expanding reamer
变压器三点差动保护
tri-poim style differential protection of transformer
并联三点式
Parallel three point form
补偿式三点悬挂连接机构
Compensation three-point hitch linkage
电感三点式振荡器
inductance connecting three point type oscillator