These gases are nonflammable and stored in cylinders as high-pressure gases. The pressure-relief device used on these gas cylinders is normally Type CG-1.
这些气体是不可燃的，作为高压气体储存在钢瓶里。用于这些气体钢瓶的减压装置一般是CG - 1型。
This type of steel is mainly used in oil and gas pipelines (including those operating under low temperatures and high pressure), ships, buildings and high-pressure vessels.
这种钢主要用于制造石油和天然气管道(包括低温和高压下操作)，船舶，建筑，高压容器等。
The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
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