卡普和我在他博物馆的楔石间慢步，卡普驼着背，情绪热切，饱经风霜的脸旁挂着一缕灰色的刘海，整个人似乎让活力和自豪撑了起来。
Shuffling among his museum's keystones, Karp, a stooped, intense man whose weathered head is ornamented with a fringe of gray hair, seemed to swell with vigor and pride.
把楔石据为已有。
石匠们用楔口连接法将楣石水平放置，将石块连接起来，然后将这些直立的石块和楣石用球窝接头或楔口接头来固定。
They made joints in stone keeping the lintels in place horizontally using a tongue and groove joint and subsequently fixing the upright and lintel with a ball and socket joint or mortice and tenon.
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