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restraining liner是什么意思
中文翻译预充填筛管
网络释义
1)restraining liner,预充填筛管2)dual screen prepack,双层预充填筛管3)pre-graved expandable screen,可膨胀预充填筛管4)nongravel-packed screen,非砾石预充填筛管5)ring base type pre-pack screen,环基型预充填筛管6)gravel packing scree,砾石充填筛管