All now buildings must be made accessible, and existing facilities must remove barriers if the removalcan be accomplished without much difficulty or expense.
现在所有的建筑都必须是无障碍的,如果拆除没有太大困难或不用花费过多的话,现有的设施必须拆除障碍。
2
Re-adsorption under the conditions ibidem got the removal ratio 80% indicated that the material can be utilized for several times.