Pressure ratio
[机] 压力比
🧩 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
Try to take it easy.
放轻松点。
We want to purchase Chinese tea. Please send us your best offer by fax indicating origin packing, quantity available and the earliest time of shipment.
我们欲购中国茶。请用电传给我们报最好价，并说明产地、包装、可供数量及最早发货日期。
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，