plastometer indices

例句：

1. 1.The plastometer indices indicate the quality of the plastic material.
   塑料计指数表明了塑料材料的质量。
2. 2. The plastometer indices are used to measure the strength and durability of the plastic material.
   塑料计指数用于测量塑料材料的力量和耐用性。
3. 3. The plastometer indices are critical for ensuring the safety of the plastic products.
   塑料计指数对于确保塑料产品的安全性至关重要。