ratio of clearance volume

例句：

1. 1. The engineer calculated the ratio ofclearance volume to optimize the design.
   工程师计算了清除容积比以优化设计。
2. 2. Thecompany's efficiency was measured by theratio of clearance volume to production time.
   公司的效率通过清除容积与生产时间的比例来衡量。
3. 3. The new process reduced the ratio ofclearance volume, resulting in a significant increasein productivity.
   新工艺减少了清除容积比，导致生产力显著提高。