prepacked column
... prepacked concrete 预填集料混凝土 ; 预填骨料压浆混凝土 prepacked column 预装柱 ; 预充填柱 Prepacked Cargo 预装货物 ...
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产品包括：螺栓、螺钉、螺柱、U型螺栓、预装配的螺钉和垫片组件以及与预装配组件一样加工的无垫圈产品。
Products included are bolts, screws, studs, U-bolts, preassembled screw and washer assemblies (sems), and products manufactured the same as sems except without washer.
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