The main purpose for establishing such standards is to prevent interconnection with non-compatible gases and to provide continuity among manufacturers.
建立这些标准的主要目的是防止不相容气体的相互连接和在制造商之间提供连续性。
The main purpose for establishing such standards is to prevent interconnection with non-compatible gases and to provide continuity among manufacturers.
建立这些标准的主要目的是防止不相容气体的相互连接和在制造商之间提供连续性。
应用推荐