varying duty变动: change; alteration; oscillat ...工况: operating mode; working cond ...起动工况: starting duty; state of starting operating; state of starting operation启动工况: starting duty紧急机动工况: violent manoeuvring condition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:变动工况,即可在微信中查询翻译