小DNB比 departure from nucleate boiling ratio: 偏离泡核沸腾比nucleate boiling: 核状沸腾; 泡核沸腾nucleate boiling bubble: 核态沸腾汽泡nucleate boiling heat transfer: 核态沸腾换热peak nucleate boiling heat flux: 泡核沸腾峰值热通量下载手机词典可随时随地查词查翻译