block of monumental or building stone (excl. slate, marble, travertine and alabaster), further worked than roughly squared, or squared by sawing (excl. paving blocks)

• 石块，纪念碑用或建筑用石料制的，（不包括板岩、大理石、凝灰石和蜡石），经过除粗削方外的进一步加工，或锯成正方形（不包括铺砌用块石）