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本实用新型涉及一种用于套管通道修整及衬管加固磨鞋。
The utility model relates to a grind shoe for finishing sleeve tube paths and fixing lining tubes.
youdao
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本实用新型涉及一种用于套管通道修整及衬管加固磨鞋。
The utility model relates to a grind shoe for finishing sleeve tube paths and fixing lining tubes.
youdao