... two-gyro pendulous gyrocompass 双转子摆式罗经 two-hinged arch 二铰拱 two-lens objective 双透镜物镜 ...
基于148个网页-相关网页
two hinged arch 双铰拱
two hinged arch truss 双铰拱桁架
two-hinged arch bridge 二铰拱桥 ; 两铰拱桥
two-hinged tied arch 有拉杆二铰拱
two hinged parabolic arch 抛物线两铰拱
two-hinged steel arch bridge 两铰钢拱桥
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