Sources of material for powdery stone cushion are widespread. With their low costs and simple construction process they are new cushion material to be popularized.
石粉垫层材料来源广泛、价格低廉、施工工艺简单，是一种可推广应用的新型垫层材料。
This series of stools are composed of cushion and steel tubes, which appears to be simple and illogical, yet provide the maximum support for the structure of the stool.
这个系列作品是用钢管组成看似简单又不合逻辑的形态，但却可以最大限度的保证支撑椅子的重量。
The paper not only discusses the construction quality control of backfill of sand cushion, but also provides the simple in-situ test method and deals with the theoretical analysis for its design.
本文针对砂垫层回填施工质量控制，提供了简易可行之现场测试手段，并就砂垫层设计方法作了理论分析和工程实践；
Lifting weights of the bed by HuaGan slide set back cushion adjustment screws, adjusting range increased, and convenient and flexible, simple operation;
举重床的背垫采用滑杆滑套螺钉固定调节，调节范围增加，且方便灵活，操作简便；
The inflatable cushion not only has simple structure and low cost, but also is safe, and can bring great interest to children.
该装置不仅构造简单，成本低，而且安全能给儿童带来极大的兴趣。
The inflatable cushion not only has simple structure and low cost, but also is safe, and can bring great interest to children.
该装置不仅构造简单，成本低，而且安全能给儿童带来极大的兴趣。
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