铜焊制剂 Brazing preparations 助焊液 Soldering fluxes 醋化用细菌制剂 Acetification (Bacteriological preparations for –) ..
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... side seam soldering 罐身接缝钖 soldering fluid 焊液；助焊液 soldering flux 助焊剂；焊液 ...
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短语
免清洗液态助焊剂
No-clean liquid soldering flux