cold engine starting test发动机: engine; motor冷: cold启动: firing; pulse-on; commission ...试验: experiment; test; trial冷启动机: cold-starting engine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:发动机冷启动试验，即可在微信中查询翻译
