青云翻译

Remove excess surface bonded or not bonded unstable stone, get pre-layer;

Remove excess is not instability of bond or bond stone, get pretreatment;

The elimination surface unnecessary caking or the caking unstable stone material, obtains the pretreatment level;

In addition to the prima facie superfluous not sticky or glueing the unstable layer of stone, with pre-processing;

Remove excess is not instability of bond or bond stone, get pretreatment;