Meaning of word 预热
Writing Sheet
Word
Pinyin yù rè
Phonetic Notation ㄩˋ ㄖㄜˋ
word Meaning

预热 yùrè

[preheat] 预先加热到指定的温度

Meaning in Internet

预热

  • 预热,预先加热到指定的温度。预热指的是为防止急热,焊接前先对材料预热。( 如火焰加热)现也指预习准备做某一样事时,为此做好准备。