strength and toughness的用法和樣例：
例句
- The effect of vanadium on the strength and toughness of wheel steel normalized at different temperatures were studied.
摘要研究了不同正火加熱溫度下釩對車(chē)輪鋼強韌性的影響。 - Being compared with the normalized steel,the quenched and tempered steel can led to a joint with higher strength and toughness.
正火態(tài)與調質(zhì)態(tài)母材相比，后者可得到強韌性較高的接頭。
