钢-混凝土组合梁是指钢梁和混凝土板通过剪力连接件连接形成整体共同工作的受弯构件。
Steel-concrete composite beam is a kind of flexural member composed by concrete slab and steel beam via shear connectors.
维持直的。安装琴品是一项最大的诀窍，这样指板才不会往后弯。
Always straight. Putting the frets is the biggest trick, so it doesn't back-bend.
弯管工艺是指将平直的管子按选定的半径和弯曲角度弯曲成形。
Tube bending is a process by which a straight piece of tube is formed to a selected radius and angle of bend.
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