Pecvd
等离子[体]增强CVD
🗣️ 情景例句
When was it built?
它是什么时候建造的？
Speech is silver,silence is gold.
言语是银，沉默是金。
Obviously, it has not been planned for the good of its inhabitants.
显然，现代化的城市不是为居民的利益而规划的。