instantaneous efficiency of machinery坏: bad的: 4次方是 The fourth power of 2 i ...瞬时: instant; instantaneous; micr ...效率: productiveness; efficiency; ...机械的瞬时效率: instantaneous efficiency of machinery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:坏的瞬时效率，即可在微信中查询翻译
