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- double walled piston 双壁活塞
- Water-proof double wall lining canopy. 防水及防雨式双层钢板保护外罩。
- This is a large on-going double wall pipe project. 这是一个很大的正在进行的双重管线项目。
- Includes the strongest double walled stainless steel inlet strainer available. 可提供最坚固的双夹层不锈钢进口过滤器。
- Double Wall: Threesheets of linerboard with two mediums in between. 双瓦楞纸板：二层芯纸夹在三层面纸之间。
- Most early installations have been in double wall pipes or tanks systems. 早期大多数都安装在双重管网和储油罐系统中。
- Stainless steel single and double wall temperature control containers. 不锈钢容器及带温控夹套砂磨筒。
- C、Double Wall: Threesheets of linerboard with two mediums in between. 单瓦楞纸板：芯纸粘在二层箱板纸之间，也被称为双层纸板。
- It was considered that the metal and cement pipes would be replaced by the large sized plastics pipe, and the polyethylene double walled bellows would develop greatly. 分析结果表明,金属管、水泥管等传统埋地管材将被淘汰,取而代之的是大口径塑料埋地管,聚乙烯双壁波纹管将会获得大发展。
- He hid his hard-earned two thousand yuan cash inside a double wall in his apartment. 他把辛苦得来的二千元现款藏在住处的夹层墙里。
- Numerous jet fuel monitoring facilities for buried double wall pipe systems dating from the late 1980's to the present. 从80年代末到现在，我们给无数的军用机场燃料监控系统埋设双重地下管网系统。
- Translucent unbreakable double wall Lexan(R) polycarbonate travel mug for hot or cold beverages. 半透明的;不容易碎的;两层壁的聚碳酸酯旅行杯;用来装冷热饮料.
- It's good for fishing.There are two type with double wall fabric floorboard and slat one so that it ... 发布者：郑伟伟所在地：山东威海市行业：交通运输职位：外销员工作年限：二年以上
- The mausoleum is encircled by a double wall with the inner structure extending more than 2 500 metres long and the outer one more than twice as long. 陵园周围修筑了两重城墙，内城周长2525.;4米，外城周长6064米。
- Double wall pipe is being used at this airport for a number of reasons but one major reason is pre-existing contamination. 机场用双层管道有很多原因,其中最主要的原因是预防污染。
- The experimental research has been conducted to investigate the dynamic response of flat head double walled cylindrical explosion vessels to the blast loading produced by detonation of high explosives centrally positioned within the vessel. 对采用平封头的圆柱形双层爆炸容器在内部装药爆炸所产生的载荷作用下的动力响应进行了实验研究。
- Various road and ramp crossings with some above ground leak detection and multiple below ground double wall pipe sections. 地上是各种道路和跑道纵横,地下是双重管道多层交错。
- The working principles, structural specialty and main design points of percussive grab and double wall casing are introduced in the paper. 介绍了双壁套管与机械式冲击抓斗的工作原理、结构特点和设计要点。
- This window punctures the building's double wall, composed of a steel skeleton clad inside and out with special, laminated glass elements. 这些窗户贯穿建筑物的双层墙，由内部镀过金属的钢骨架和外面的特殊层压玻璃构件组成。
- Within is a cavity more or less filled with an aromatic mass of double walled, membranous sacs containing orange-colored, pulpy juice and as many as 250 small, hard, dark brown or black, pitted seeds. 内是一腔或多或少充满芳香大规模双寨;囊膜含有橙色;果肉果汁以及多达250个小;硬;黑褐色或黑色;对立的种子.
