... underbead crack 焊道下裂缝;焊接热影响区裂纹 underbed 底架,底座 underbed coal feed port 床底加煤点 ...
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... 底架 基础板 underbed 基础板层 basic lamella ; circumferential lamella 上机架基础板 Upper bracket soleplate ...
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air chamber underbed jig 筛下空气室跳汰机
underbed coal feed port 床底加煤点
underbed ignition 床下点火
air r chamber underbed jig 筛下空气室跳汰机
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