axis of yawyawing axis首: head摇: shake; wave; rock; turn轴: axle; shaft摇轴: rocking shaft; rockshaft首摇: yawing oscillation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:首摇轴,即可在微信中查询翻译