facture toughness的用法和樣例：
例句
- This paper focuses on the change of bending properties and toughness of larch wood after intensive microwave treatment.
摘要著重考查了經過高強度微波輻照后，落葉松木材衝擊韌性和彎曲性能的變化。 - We carried out experiment decreasing oxygen content of powder forging steel and heat treatment to increas shock toughness of powder forging steel.
為進一步提高粉末鍛鋼的衝擊韌性，進行了降低粉末鍛鋼的氧含量和熱處理試驗。
