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n.（物）膨胀剂; 扩张（膨胀，扩展，扩管，扩孔，伸展，放大）器，（排水暗沟）扩孔器，扩管（径）装置，扩展电路 复数：expanders 双语例句 Thus negative expander formulas started to include such items of wood, as wood dust or wood flour. 因此，负极板膨胀剂配方开始包括本质一类的材料...
