Then sandblasting, flame or chemical means, and improve the surface activity.

然后用喷砂、火焰或化学方法处理，提高表面活性。

youdao

Have a cut, mold, polishing, concave, deep carving and sandblasting the surface of a complete production line of laser engraving.

拥有切、模、抛光、打凹、表面喷砂深雕及激光内雕的完整生产流水线。

youdao

The machines apply to all kinds of heavy workpiece surface piating, such as all kinds of mould surface pear to processing (sandblasting), mold textured and fog face treatment.

本系列机适用于各类重型工件，产品的表面喷砂处理，如各类模具表面的梨地加工（喷砂）、模具咬花及雾面处理。

youdao

These include "sputtering" erosion - the bombardment of the surface by very fast charged particles (a process similar to sandblasting) - and impacts by meteorites.

BBC: Ice blades threaten Europa landing