1. 捣矿机,捣矿机组,连续重击杵：staminody spikelet ==> (指莎草科)雄性小穗 | stamp battery ==> 捣矿机,捣矿机组,连续重击杵 | stamp box ==> 捣矿机,捣臼
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noun
1. a series of stamps operated in one mortar for crushing ores
Synonym: battery