PaM：通道材料
“通道材料”（Passage Material）在书面和日常使用中常被缩写为PaM，这种简写形式主要用于提高书写与交流效率。该术语尤其常见于机构领域及军事相关场景，用以指代特定类型的通道结构或功能材料。
Passage Material的英文发音
例句
- Prestressed concrete structures in the natural environment, the use of the environment and the role of internal factors, with the passage of time, the material will gradually aging, structural performance will gradually deterioration, injury or damage there.
- 预应力混凝土结构在自然环境、使用环境以及材料内部因素的作用下，随着时间的推移，其材料会逐渐老化，结构性能也会逐渐劣化，出现损伤甚至损坏。
- This passage explores a kind of filter material by researching and analyzing the characteristics of micron wood fiber powder filter. This new material can improve the filtration efficiency, save resource, and improve the overall performance of the new filter products.
- 通过对微米木丝粉滤芯特性的研究分析，探索出一种能够提高过滤效率并且节约资源的滤芯材料，提高了整体性能的新型滤芯产品。
- Effects of marrow core decompression with thick passage and bone grafting with osteoinduction active material on 23 patients with early osteonecrosis of femoral head
- 粗通道髓芯减压联合骨诱导活性材料植骨术治疗早期股骨头坏死23例
- Rules to determine the clearance of die cavity, the length of flat portion of flow passage, and the way of supplying material to the inner ribs are formulated to guide the design of extrusion die.
- 为了保证挤出模设计的准确性，提出了口模内筋间隙的设计原则、内筋流道成型段长度的设计原则以及内筋供料方式的智能选择。
- The passage introduces the latest application of nonwoven filtering material and predicts its developing trend in the future.
- 着重介绍非织造布作为过滤材料在现阶段的应用及非织造布滤材今后的发展趋势。
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