直: straight; stiff读: read aloud转速表: tachograph; tach; tachometer ...直读转速计: direct-reading tachometer远读转速表: distant-reaking tachomerer直读式转速表: direct reading tachometer; direct-reading tachometer遥读转速计: distant reading tachometer; remote reading tachometer转速表: tachograph; tach; tachometer; speed counter; revolution counter; revolution meter◇转速表传感器 tachogenerator磁力转速表: magnetic tachometer; magnetictachometer电磁转速表: magnetic tachometer电动转速表: electric revolution indicator; electrical tachomerer电气转速表: electric tachometer电转速表: electric tachometer; electric tachometre电子转速表: magnetic inductive tachometer交流转速表: ac tachometer精度转速表: high precision eedometer; high precision speedometer灵敏转速表: kinemometer脉冲转速表: pulsation tachometer脉动转速表: pulsation tachometer闪光转速表: stroboscopic tachometer手持转速表: hand revolution counter; hand tachometer手提转速表: tachoscope遥测转速表: distant-reading tachometer; remote tachometer; teletachometer夜光转速表: night speed indicatior; night speed indicator直流转速表: dc tachometer; direct current tachometer