tachographs怎么读

tachographs的音标：

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tachographs例句

Commercial vehicles, coaches and lorries are required by law to be fitted with tachographs.法律规定商用车辆、长途汽车和卡车要安装转速计。...
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tachographs什么意思解释

n.转速图表( tachograph的名词复数 )...
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