... 承载扁钢 bearing bar 横杆 cross bar 净空间隙 clear opening ...
基于4个网页-相关网页
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cross rod
cross-bar
cross bar
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over arm
cross bar
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cross bar
- 引用次数:1
参考来源 - 影响渡槽横杆受力的因素 Factors Affecting the Stresses of Crossbars on the Aqueduct
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