关键词: 低温压力容器;焊接接头;低温韧性的改善 [gap=1147]Key words:low temperature pressure vessel;welded joints;improving of low temperature toughnes
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...用低合金钢锻件 alloy steel forgings for low temperature pressure vessels 低温用压力容器 low temperature pressure vessel 释义:冷冻贮藏容器,低温储存容器 cryogenic storage container ..
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