low-expansion alloy

例句：

1. 1. This low-expansion alloy is ideal for use in the manufacturing of precision instruments.
   这种低膨胀合金非常适合用于精密仪器的制造。
2. 2. The new alloy has a lower expansion rate than traditional materials, making it more durable and resistant to corrosion.
   新型合金的膨胀率低于传统材料，这使得它更耐用且抗腐蚀。
3. 3. In the automotive industry, the use of low-expansion alloys can significantly reduce weightwhile maintaining structural integrity.
   在汽车工业中，使用低膨胀合金可以显著减轻重量同时保持结构完整性。