central-located connecting rodoffset connecting rod偏心: partiality; bias曲柄: crank中心曲柄连杆机构: central-located connecting rod曲柄连杆机构: crank gear; crank link mechanism; crank-connecting rod mechanism; crank-link mechanism摆杆曲柄连杆机构: lever crank mechanism; levercrankmechanism; quadric crank mechanism下载手机词典可随时随地查词查翻译