常見例句

雙語(yǔ)例句

• Our country is rich in tungsten resources. Taking tungsten as the main alloy element, tungalloy white cast iron liner is developed.
  我國(guó)鎢資源豐富，以鎢為主要合金元素，開發(fā)了鎢合金白口鑄鐵襯板。
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