光学: optics; photology; photics数字: figure; digit; numeral; char ...转速表: tachograph; tach; tachometer ...红外线数字转速表: infrared digital tachometer手持式数字转速表: handy digital tachometer手持式光电反射数字转速表: photoelectric reflection type handy digital tachometer数字式转速表: digital tachometer光学数据数字化器: optical data digitizer光学数字处理机: optical digital processor光学数字计算机: optical digital computer光学数字音频唱机: optical digital audio player转速表: tachograph; tach; tachometer; speed counter; revolution counter; revolution meter◇转速表传感器 tachogenerator模块化光学数字接口: modular optical digital inteface学数字: learning the numbers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
