But their surfaces bear witness to homely labor: Topping the tallest stone, once part of a trilithon, is a tenon—half of a mortise-and-tenon joint borrowed from woodworking.
但
的表面见证了平凡的劳动：曾是三塔组成部分最高的那块有一个凸榫——是从
材加工借鉴而来的半个榫臼接头。
工艺工工机械制品工业工机床，工机器；材加工机械But their surfaces bear witness to homely labor: Topping the tallest stone, once part of a trilithon, is a tenon—half of a mortise-and-tenon joint borrowed from woodworking.
但的表面见证了平凡的劳动：曾是三塔组成部分最高的那块有一个凸榫——是从材加工借鉴而来的半个榫臼接头。
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