And seal material and seal cushion structural design are the foundations that the seal technology is used on the engine.
而密封材料和密封垫结构设计是密封技术在发动机上应用的基础。
Therefore, the study design does not rely on a kind of cushion, can be embedded with the upper part of grass-roots associated with a new concrete waterproofing material, is the best choice.
故此，研究并设计一种不依赖于垫层，能够与上部基层混凝土相嵌联的新型防水材料，就成为最佳选择。
The cushion design software was developed to get the most economic material, shape size and structure.
从而开发软件以求得最经济的缓冲衬垫，并得到其外形尺寸和结构。
The PVC waterproofing material quality cushion design is advantageous for cleanly, so long as gently cleans, then maintains cleanly.
PVC防水材质的坐垫设计，便于清洁，只要轻轻擦拭，即可保持乾净。
The PVC waterproofing material quality cushion design is advantageous for cleanly, so long as gently cleans, then maintains cleanly.
PVC防水材质的坐垫设计，便于清洁，只要轻轻擦拭，即可保持乾净。
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