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
Are they always that difficult to make?
领结这样难打吗？
Reason rules all things.
情理管万事。
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。