Preparative plate number
[化] 制备塔板数
🧩 词语组成解析
a. 准备性的, 预备性的\\nn. 预备, 准备, 预备信号
plate
[plet]
n. 盘子，盆子;金属板;均匀厚度的片状硬物体;[摄]底片，感光版;
vt. 镀，在…上覆盖金属板;覆盖;电镀;[印]给…制铅板;
plat 平坦 + e → n.板，片，盘 vt.电镀
🗣️ 情景例句
I've got to explain about it.
我得解释一下此事。
It was not as good as I had expected.
那不如我想象的好。
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。