unit elongation的用法和樣例：
例句
- The ferrite grain size of samples influenced the strength and elongation of dual-phase steels with different martensite contents.
試樣的鐵素體晶粒大小在不同的馬氏體範圍內對強度和延伸率有不同的影響。 - Using advanced technology, the use of low-cost, good processing properties will produce magnesium has very good elongation and impact resistance and high performance magnesium.
採用先進技術，利用低成本將加工性能良好的鎂製造出有很好延伸率和衝擊抗力以及較高性能的鎂錠。
