剖析产物主体资料地焊接性，分离钢制压力容器规程JB/T 4709-2000拟定产物各个焊接接头地焊接计划。
Analysis of products of the main welding materials, combined with steel pressure vessel regulations JB / T 4709-2000 developed products in various welded joints of welding programs.
剖析产物主体资料地焊接性，分离钢制压力容器规程JB/T 4709-2000拟定产物各个焊接接头地焊接计划。
Analysis of products of the main welding materials, combined with steel pressure vessel regulations JB / T 4709-2000 developed products in various welded joints of welding programs.
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