Filler materials: For welding, base metal matching filler materials shall be used.
填充材料：对于焊接，应使用与基材相匹配的填充材料。
These alloys are used for welding and brazing filler materials and for sand and die castings.
这些合金用于定位焊接和铜焊的焊料，和用做打磨或模铸。
Filler materials may be included in either the degradable polymer layer or the thermoplastic elastomer layer.
填料可包括在可降解聚合物层或热塑性弹性体层中。
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