The syntactic foam is a new kind of structural foam which has lots of excellent properties such as light weight, high strength and so on.
微球复合泡沫材料是一种新型的结构泡沫材料。
The valve is plate welding, structural short, light weight, simple structure and easy to maintain and use, it's a non-sealed type valve.
本阀门为钢板焊接，结构短，重量轻，结构简单，使用维修方便，为非密封型阀门。
The valve is plate welding, structural short, light weight, simple structure and easy to maintain and use, it's a non-sealed type valve.
本阀门为钢板焊接，结构短，重量轻，结构简单，使用维修方便，为非密封型阀门。
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