When in poor environment, for instance, when the temperature difference between two surfaces is large, both sides should be coated with processing layer for the cause of effectiveness.
如板材处于较差的环境下使用，例如：办的两表面处于较大的温差及湿差情况下，为使板材使用效果更好，当一面涂上处理层时，另一面也应涂上相同的材料。
This product is a specialized polyolefin mesh that is coated with a high tack residue-free adhesive on both sides.
这产品防静电粘性网双面涂布了高粘度粘胶剂。
The paper substrate is coated on both sides with water-impermeable resin which carries an light sensitive emulsion on one side.
纸蕊的两面涂上防水树脂，再于其中一面涂上感光乳剂而成。
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