... down 羽绒 down-and-up cut unit 双动剪切机 down-convection box type heater 烟道气下行对流箱式加热炉 ...
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down-and-up E cut unit 双动剪切机
down-and-up U cut unit 双动剪切机
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Germany: New Year's eve, to towns and villages as a unit, the election of up to thirty feet Several Strains of trees, cut down the number of branches, leaving only the trunk.
德国：新年前夕，以村镇为单位，选几株高达三丈的大树，砍掉数枝，只留主干。
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