基本解释狀況同根派生 situatlon相关词英汉例句Polysilicon is refined by means of physicochemical methods and then produced By chlorination of industrial silica powder in a partlcular situatlon . 多晶矽是由工業矽粉氯化，採用物理、化學方法提鍊和特定條件下還原生産的。situatlon更多例句