Wall bushing
[电] 穿壁套管
🧩 词语组成解析
n. 轴衬, 套管\\n[化] 衬套; 管衬; 轴瓦
🗣️ 情景例句
Is that all?
就这些吗？
May I ask you a question?
我可以向您提个问题吗？
I am very impressed with her English. It was good.
我对她讲的英语印象很深。很流利。