This paper introduces briefly characteristics of FRP double containment piping for its promotion and development in our country.
本文对玻璃钢双层管道的特性及设计作了扼要介绍，以便在我国推广和开发。
Series 709DCDA Double Check Detector Assemblies are designed exclusively for use in accordance with water authority containment requirements.
系列709DCDA双止回阀检测器总成专用于满足水主管部门的密封要求的应用场合。
The features of double walled cylindrical explosion containment vessels closed with flat heads are presented.
本文介绍了平封头的圆柱形双层爆炸容器的设计特点。
The features of double walled cylindrical explosion containment vessels closed with flat heads are presented.
本文介绍了平封头的圆柱形双层爆炸容器的设计特点。
应用推荐