基本解释n.[化]過鉻酸鹽同根派生 perchromate相关词英汉例句monium peroxoy-chromate ammonium perchromate 過鉻酸銨ammonium peroxoy-chromate ammonium perchromate 過鉻酸銨potassium perchromate 過鉻酸鉀ammonium perchromate 過鉻酸銨sodium perchromate 過鉻酸鈉perchromate更多例句