R-f plumbing
[电] 射频垂铅
🧩 词语组成解析
plumbing
['plʌmiŋ]
n. 水管装置;水暖工的工作;管道工程;
v. 用铅锤测量（plumb的现在分词）;探究;
🗣️ 情景例句
Have you?
你呢？
Does his film appeal to you?
你喜欢他的电影吗？
It costs five hundred pounds.
它的售价是500英镑。