This paper elaborates on the serious harm of white pollution caused by wasted plastic packing materials and puts forwards effective measures to prevent and finally eliminate the white pollution.
本文论述了塑料包装引起的白色污染及其危害的严重性，同时提出了防治和最终消除白色污染的具体措施。
If the quite long time does not use, best spreads butter, then spreads a white paper to prevent the dust pollution.
如果比较长时间不用，最好涂上一层黄油，然后铺一层白纸防止灰尘污染。
If the quite long time does not use, best spreads butter, then spreads a white paper to prevent the dust pollution.
如果比较长时间不用，最好涂上一层黄油，然后铺一层白纸防止灰尘污染。
应用推荐