英语词汇direct heat source是什么意思，direct heat source的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	direct heat source
释义	direct heat source　直接热源
随便看	screw up one's courage screw valve screw vault screw vent screw ventilation screw vice screw washer screw wedge screw wheel screw wiper screw working mechanism screw wrench screw-cap screw-cutting machine screw-discharge sedimentation centrifuge screw-driven planer screw-driven shaper screw-driven slotter screw-driver screw-driver teeth screw-in screw-joint screw-on screw-pitch screw-pitch gauge

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