equivalent isentropic velocity ratio等熵: isentropy速度: velocity; speed; blast; bat比: 2当量: equivalent; equivalent weigh ...当量等熵速度比: equivalent isentropic velocity ratio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:等熵速度比当量,即可在微信中查询翻译