单词	外受热面
释义	外受热面external heating surface
随便看	time interval generator time interval indicator time interval measurement time interval measurement，tim time-interval mode time interval optimization time-interval radiosonde time interval spectrum time interval system time invariance time-invariance property time invariant time-invariant time invariant channel time-invariant channel time-invariant linear filter time invariant operation time-invariant regulator time invariant system time-invariant system time invariant transfer element time invariant variables time invarying system time inversion time inversion invariance