... straining arch 扶拱 straining beam 拉梁 straining meter 应变计 ...
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... 三角 triangle; trigonometry; trig ... 拉杆 bar; straining beam; drawbar ... 角拉杆 brail ...
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straining beam WESTBANK 拉梁
Driven By Straining Beam 连杆传动
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N a horizontal tie beam that connects the top of two queen posts of a roof truss 跨腰梁
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