cycle countercyclometermotometerrev counterrevolution counterrevolution indicatorrevolution meterspeed counterspeedometertachographtachometerturn indicatorturning indicator转数: revolution; convolution计: count; compute; calculate; n ...摆式转数计: pendulum type tachometer; pendulum-type tachometer磁力转数计: magnetic tachometer手持转数计: hand revolution counter下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:转数计,即可在微信中查询翻译