Factors affected coal seam permeability change and its law is analyzed. 分析了煤層透氣性變化的影響因素及變化規律。
This paper discusses the influence of fabric properties and finishing techniques on the permeability of uncoated airbag. 文章就織物性能及整理工藝對非涂層安全氣囊透氣性的影響進(jìn)行了探討。