slot-and-wedge anchor bar的意思|示意
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英 / /
槽楔式锚杆
slot-and-wedge anchor bar的网络常见释义
楔缝式锚杆 ... slot wedge material 槽楔材料 slot-and-wedge fastening 楔缝式锚杆支护 slot-and-wedge anchor bar 楔缝式锚杆 ...