Combustion expansion ratio
[建] 燃烧膨胀比
🧩 词语组成解析
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
Mid terms are coming soon.
很快就期中考试了。
All is not at hand that helps.
有用的东西并不都是垂手可得的。
Spring is the best season of the year.
春天是一年里最好的季节。