字典網>> 英漢字典>> P開頭詞條>>picknometer,pycnometer的意思 漢英字典picknometer,pycnometer中文翻譯：【化】 比重瓶; 比重管字典網字典網相關詞條：pi pi acid ligand pi bond pi bonding pi complex pi electron pi filter pi meson pi mode pi network