Pvd
物理气相沉积
🗣️ 情景例句
Thanks.
谢谢。
I didn't read the whole paper, front page.
我没有看到报纸的全部，我只是大概看了头版。
As complaints must be made in writing, the Ombudsman receives an average of 1,200 letters a year.
由于意见均需用书面形式提出，司法特派员每年平均收到1，200封信。