| 2. | The name and the code name of the pipeline , pipe material , o . d . and the thickness of pipe , transmitting medium and its temperature , insulator materital and its thickness , the orientation of the pipeline , hight of pipe center 管线名称代号,管道材质、外径和壁厚,输送的介质及其温度,绝热层材质及厚度,支吊处管线走向,管中心(管底)标高。 |