搓污柵凈斷面net: adj. 凈的,純的 (opp. gross) 無虛價(jià)的 ...rack: n. =arrack. cross section: (有代表性的)橫截面,剖面;抽樣,樣品;【原子能】有效截 ...gross rack cross section: 攔污柵毛斷面net rack: 網(wǎng)架下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯