standard torque value 标准扭矩值

standard torque chart 标准扭矩表

standard torque equipment [机] 标准扭矩装置

Verification Regulation of Standard Torque-meters 标准扭矩计检定规程

standard torque unit 标准力矩单位

primary standard torque 扭矩基准

Screw torque standard 螺丝扭力标准

lever-amplification torque standard machine -LTM 杠杆式扭矩标准机

deadweight torque standard machine -DTM 静重式扭矩标准机