第二种则被称为凹雕又或者镂空雕，介于圆雕和浮雕之中。
The second one is called the concave carved or carve, the round, the relief and in between.
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。
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。
Have a cut, mold, polishing, concave, deep carving and sandblasting the surface of a complete production line of laser engraving.
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