题目内容

The forces developed in cables are ()

A. compression
B. tension
C. bending
D. shear

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A frame structure is one made up of() elements, they are connected to one another at their ends which are called ()

The elements in trusses are assumed to join at their intersections with ().

The basicway of stabilizing a membrane is (

自定义页在店铺中起到非常重要的作用,它信息全面,展示商品灵活方便,而且用户体验也非常好。()子商务营销作业11.2

A. 对
B. 错

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