堵缝

堵缝
dǔfèng
[caulking joint] 一种接缝, 用在联系梁与砌入墙内的托梁垫板中, 具有鸠尾榫与凸凹榫的特点

Advanced Chinese dictionary. 2013.

Игры ⚽ Поможем сделать НИР

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