compression ratio的用法和樣例：
例句
- Compression of springs must not exceed manufacturers recommendation for high speed and long life.
彈簧的壓縮比不允許超過製造商推薦的高速及長壽時的壓縮比。 - Such high compression ratios could be turned to efficiency rather than speed, Green notes, especially if put into the engines of lighter cars.
葛林同時指出，壓縮比提高通常會使汽車更省油，而不是跑得更快，對於小型車的引擎而言更是如此。
