简述Cr―Mo钢中Mo元素的作用。
冶炼42CrMo钢，炉中分析Mo＝0.16%，钢水量20t，求需加入多少Mo-Fe，使[Mo]＝0.20%？（Mo-Fe含Mo为60%）
嬷嬷（mo mo）
请简述Cr-Mo钢中Mo元素的作用。
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若客户原套餐订购了MO套餐，可直接升级至5G模组，无需退订MO套餐。（)
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16Mo钢中的Mo的含量（)。
