Pecvd
等离子[体]增强CVD
🗣️ 情景例句
I enjoyed reading these books very much.
我很喜欢读这些书。
What we do willingly is easy.
世上无难事，只要肯登攀。
Look at something else, for example, a radio.
再瞧瞧其他东西，如收音机。