清洁纸
- 网络cleaning paper
清洁纸-
他们称，这种特殊清洁卷纸是“专门用来清洁屏幕的，可以让外国游客享受卫生的旅行”。
It added that the special cleaning rolls were " made to clean screens so foreign tourists could enjoy their travel hygienically . "
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清洁生产与纸机湿部化学系统的适应性&造纸生产水系统封闭与零排放探讨之二
The Adaptation of Wet End Chemistry to Papermaking Cleaner Production
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造纸系统封闭循环用水及纤维回收工艺设计清洁生产与纸机湿部化学系统的适应性&造纸生产水系统封闭与零排放探讨之二
TECHNOLOGY DESIGN AND OPERATION OF A CLOSED CIRCULATION WATER SYSTEM WITH SAVE ALL FOR PAPER MACHINE The Adaptation of Wet End Chemistry to Papermaking Cleaner Production