Perforated panel
[计] 穿孔板
🧩 词语组成解析
v. 穿孔于, 在…上打眼( perforate的过去式和过去分词 ); （在纸张等上）打齿孔[孔眼线]
panel
['pænl]
n. 镶板;面;（门、墙等上面的）嵌板;控制板;
vt. 选定（陪审团）;把…分格;在…上置鞍垫;把…镶入框架内;
🗣️ 情景例句
I'll bring some of my pictures into the gallery.
我就带一些我的摄影到艺廊来。
Thank you for your advice.
谢谢你的劝告。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。