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45mm

45mm45mm
  1. and that 's occurring about 40 , 45mm per year ,

    以每年40到45毫米移动

  2. The temperature field for growing Φ 40 ~ 45mm Nd : YAG crystal was found by studying temperature distribution of crystal growth units .

    通过对生长装置的温度分布的研究,确定了生长Φ40~45mmNd:YAG晶体的温场。