compaction ratio

• 压缩比

compaction ratio的用法和样例：

例句

1. It should be emphasized that with a supercharged engine technology would be appropriate to reduce the compression ratio to cope with the pressure after the booster.
   需要强调的是，带有增压技术的发动机相应的都会将压缩比调低，以适应增压后的压力。