?转速表传动装置

... tachometer connection；转速表连接 tachometer drive；转速表传动装置 tachometer drive adapter；转速表传动装置接头 ...

?转数表传动

... tachometer drive ==> 转数表传动,转速表传动 tachometer drive cable ==> 转速表传动软轴 tachometer drive gear ==> 转数计传动齿轮 ...