加热加压下熔合，209 聚四氟乙烯塑料： 以聚四氟乙烯为基材的塑料，不推荐：防缩模(Shrinkage block) 或防缩夹具 （ Shrinkage jig ）248 冷热骤变试验考察由急热骤冷引起材料性能变化的试验。
基于20个网页-相关网页
block shrinkage 砌块干缩
Although the styles of cracks are multiple, the experimental study and analysis on shrinkage of Concrete Small Hollow Block Wall (CSHBW) are focused in this paper.
小砌块建筑的裂缝型式是多样的，本文侧重于小砌块建筑墙体收缩性能的试验研究、理论分析以及相关的机理研究等。
The block has many advantages, such as simple production process, light weight, high strength, small conductivity and dry shrinkage etc. It is green building material product with good prospect.
该砌块具有生产过程简单、轻质高强、导热系数小、干缩小等特点，是具有良好应用前景的绿色建材产品。
The main reason of leakage in cylinder block and head was analyzed, and the formation mechanism and influencing factor of shrinkage was revealed.
分析了目前发动机缸体、缸盖渗漏缺陷的主要原因，缩松的形成及影响因素。
应用推荐