Articles of cement, of concrete or of artificial stone, whether or not reinforced.

水泥、混凝土或人造石制品，不论是否加强。

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Suitable for grinding and polishing marble, granite, natural and artificial stone, concrete, tile etc.

用于大理石、花岗岩、天然和人造石材、混凝土和瓷砖等的打磨和抛光。

youdao

Suitable for grinding and polishing marble , granite , nature and artificial stone , concrete , tile , etc.

具体描述：适用于大理石，花岗岩，混凝土，瓷砖等天然和人造石材的打磨和抛光。

youdao

Working at night with artificial light projected onto the stone was decided as the most effective approach.

BBC: 9th Century Pillar of Eliseg

Nan Madol comprises a set of almost 100 stone and coral fill platforms or artificial islets separated by narrow channels and enclosed by an outer sea wall.

UNESCO: OFFICE IN APIA

This notion was revived in the 1950s, when the building of a genuine chess-playing machine was seen by artificial-intelligence researchers as a stepping-stone towards a general theory of machine intelligence.

ECONOMIST: Computers and chess