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双铰平拱
meaning in English
double-hinged flat arch grider
double-hinged flat arched grider
Related Words
铰轴
实铰
蝶铰
铰门
铰钉
建筑铰
铰边
半圆铰刀
镀锌铁暗铰
链轮铰车
双铰门式刚构桥
双铰抛物线拱
双铰曲柄卡盘
双铰软线
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