revolution; convolution 短语和例子额定转数 rated revolution; 每分钟转数 revolutions per minute; 转数表 revolution counter; 转数计 motometer; revolution counter; cycle counter比转数: specific speed错转数: wrong courese回转数: no load rpm; revolution旋转数: rotation number匝,转数: turn下载手机词典可随时随地查词查翻译