Aircraft equipment. on board instrument with round dials, mechanical transmission tachometer.
飞机设备。圆刻度盘机载仪表。机械传动式转速表。
Aircraft equipment. On board instrument with round dials, mechanical transmission tachometer.
航空器材。圆盘式机载仪表。机械传动式转速表。
Aircraft equipment. On board instrument with round dials, mechanical transmission tachometer.
航空器材。圆盘式机载仪表。机械传动式转速表。
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