Results show that paper bulk, bending stiffness, and opacity can be improved significantly by both aspen and birch HYPs.
结果表明，杨木hyp和桦木hyp可显著提高纸张松厚度、挺度及不透明度。
Results show that paper bulk, bending stiffness, and opacity can be improved significantly by both aspen and birch HYPs.
结果表明，杨木hyp和桦木hyp可显著提高纸张松厚度、挺度及不透明度。
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