衬里管道翻译请求,急,谢谢!? 2.2.1 be from the furthermost upstream region. (preferably next to or adjacent to vessel or connection to other systems ). 管段取自上游最远处(最好是靠近或紧接容器的管段,或者是与其它系统相连的管段)。 2.2.2 have all weep holes/vents in working order 所有的泪孔 / 排气孔状况良好。 2.2.3 in-service period to be similar to other components of system. 使用周期与系统其它部件类似。 2.2.4 exterior insulation to be representative of system. 外部保温为系统中有代表性的。 2.2.5 if line can be isolated, select section next to or close to isolation valve to be removed. 如果管线可被隔离,选取管段要靠近或接近须拆除的隔离阀。 ----------------------------fyi 查看更多