engine eed indicatorengine speed indicatorengine-speed indicatorshaft revolution indicatortachometer indicator转速: speed; revolution; rotation ...指示器: indicator; pointer; director ...轴转速指示器: shaft revolution indicator; shaft speed indicator发电机转速指示器: engine-speed indicator发动机转速指示器: engine indicator; engine speed indicator; engine-speed indicator下载手机词典可随时随地查词查翻译
