heatsealn.热封heatn.热度；热；热烈；激烈；发烧v.(使)变热；(使)激动heat quantity change热量变化heat distortion test热变形试验heat quantity signal热量信号heating by hot-air热风加热heat shrinkable film热收缩heat-supply burden供热负荷heat injection noise热喷射噪声heat stress analysis热应力分析heat-transfer tube传热管heat transfer medium传热介质,热载体