thermalhead热能: thermal energy; heat energy; ...头: 5点就得动身 have to start before ...位: place; location差: send on an errand; dispatch热位差: temperature head; thermal head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:热能头 热位差,即可在微信中查询翻译