词语充填器
解释plugger
plugger〔名词〕凿岩机详细»
plugger〔名词〕锤击式钻岩机详细»
plugger〔名词〕充填器详细»
充填器〔名词〕extender详细»
充填器filler;obturator;plugger;n. extender详细»