The uniformity of thin melt-blown webs which is produced of low melting point copolyamide by melt blowing line with accessory device was tested by weight method.
采用称重法对在添加了辅助装置的熔喷设备上制得的以低熔点共聚酰胺为原料的热熔纤网的均匀性进行了测试。
For tapered H-section members, thin and high webs are adopted, and the design fully develops flange bearing capacity and save materials.
提要楔形变截面H型钢构件设计中常采用高而薄的腹板，这样能够充分发挥翼缘的承载能力，节省材料。
For tapered H-section members, thin and high webs are adopted, and the design fully develops flange bearing capacity and save materials.
提要楔形变截面H型钢构件设计中常采用高而薄的腹板，这样能够充分发挥翼缘的承载能力，节省材料。
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