常見(jiàn)例句monium peroxoy-chromate ammonium perchromate 過(guò)鉻酸銨ammonium peroxoy-chromate ammonium perchromate 過(guò)鉻酸銨potassium perchromate 過(guò)鉻酸鉀ammonium perchromate 過(guò)鉻酸銨sodium perchromate 過(guò)鉻酸鈉 返回 perchromate