channel steel beam的意思|示意

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槽钢梁

channel steel beam的网络常见释义

槽钢梁 ... 钢梯框架ladder frame 槽钢梁channel steel beam 弹簧垫圈spring washer ...

channel steel beam相关短语

1、 composite channel steel beam 组合槽钢梁

2、 Steel Channel Beam 槽钢梁

3、 channel steel middle beam 槽钢腰梁