torsional vibration of engine crankshaft内燃机: internal-combustion engine; ...轴: axle; shaft系: system; series扭转: turn round; turn about振动: vibrate; vibration; vibrance ...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:内燃机轴系扭转振动，即可在微信中查询翻译
