助熔剂 zhùróngjì flux Definitions Defs Origin Strokes Stroke Words Sentences Sents 助 zhù verb to help to help; to assist; to aid; help; assistance熔剂 熔劑 róngjì flux a substance used in metal refining or welding to remove impurities, lower the melting point, or provide protection; common examples include limestone and rosin
