Women once spent long hours grinding grain by hand.
妇女曾经在手工研磨谷物上花上大半天的时间。
Grinding of ultra sharp, high hardness, wear long life paper round.
打磨部采用超锋利、高硬度、超长寿命磨纸轮。
Double roller unit available for long pin or punch grinding.
双滚轮装置可研磨长形射削或冲子。
They are superior of heavy duty grinding, high cutting efficiency, and long product life.
具有磨削负荷大、磨削效率高、使用寿命长等优点。
More grinding mill long tired very dangerous.
多磨久磨很累很危险。
It can be used long time, and the cutter can bere-grinding by Several times.
刨刀采用硬质合金，经久耐用，且可多次刃磨刀具，寿命长。
It can be used long time, and the cutter can bere-grinding by Several times.
刨刀采用硬质合金，经久耐用，且可多次刃磨刀具，寿命长。
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