Backgear ratio
[机] 后列齿轮的齿数比
🧩 词语组成解析
[机] 后列齿轮
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
It's getting late.
时间不早了。
It's a shame the weather is so bad.
真遗憾，天气如此糟糕。
These drawings on the wall are process sheets.
墙上的图表是工艺流程表。