短语词组短語calcium carbonate and magnesium carbonate 鈣鎂碳酸鹽magnesium calcium carbonate 碳酸鎂鈣;白雲石;碳酸鎂鈣英語asbestos magnesium calcium carbonate clay 碳酸鎂鈣石棉粉 返回 calcium magnesium carbonate