Supernilvar
尼尔瓦超低膨胀系数合金, 尼尔瓦超恒范合金, 超尼尔瓦铁镍钴合金
🗣️ 情景例句
and Mom has all these committees she's on.
妈妈又有那么多的小组会议要开。
It's impossible. You may notice that the cost of raw materials has gone up in recent years.
不可能，您可能注意到了近年来原材料的价格上涨了。
Does he have a temperature, doctor?
他还发烧吗，医生？