The experimental result draws hole degree and permeability in the normal atmospheric temperature atmosphere is deferent because of the different rock specimen.
实验结果得出由于选用不同性质的岩样,测试出岩样在常温常压下孔隙度存在差异。
The effects of spinneret hole shape, characteristic dimension of spinneret, hole arrangement and cool conditions on degree of profile were discussed.
讨论了喷丝孔孔型、喷丝板特征尺寸、异形孔的排列方式、冷却条件对纤维异形度的影响。
The difference of sedimentation speed, shrinkage degree and direction is the main factor of lawn hollow and hole.
因土壤土质因素出现的土壤沉降速率、收缩程度和方向的不同是导致草坪凹陷、坑洼的主要原因。
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