AGA XR0603全新！AGA的第8版包含了您需要了解的有关塑料材料、管道组件、设计和安装程序的最新信息，这些信息都包含在今天的天然气分配管道系统规范和标准中。

AGA XR0603NEW!AGA's 8th edition includes the latest information you need to know on plastic materials, piping components, and design as well as installation procedures covered under today's codes and standards for natural gas distribution piping systems.