heat lag热滞后,换热时相差heatn.热度；热；热烈；激烈；发烧v.(使)变热；(使)激动heat treating fault热处理缺陷heat supply process供热过程heat radiation tube（热）辐射管heat transformation热转换heat-sink cooling散热冷却heating supervision供暖监控heat pump recycling热泵回收heat bodying of oil油的热粘化heating limit curve发热限制曲线heat of vaporiation汽化热