resin fill pump 树脂充填泵
resin fill tank 树脂充填箱
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To the ground with much hollowing and holes, you should fill and repair it with epoxy resin paste or epoxy lacquer putty and then do the next operation.
对于有较多凹陷、坑洞地面，应用环氧树脂砂浆或环氧腻子填平修补后在进行下一步操作。
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