苏珊也会用这台机器凿出一些留空区域，用来镶嵌缟玛瑙和玉髓碧玉颗粒。

She also used this milling tool to carve out the areas where she placed small pieces of onyx and jasper stone.

youdao

苏珊也会用这台机器凿出一些留空区域，用来镶嵌缟玛瑙和玉髓碧玉颗粒。

She also used this milling tool to carve out the areas where she placed small pieces of onyx and jasper stone.

youdao