英语词汇“selective perforation”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	selective perforation
释义	selective perforation 英?[s??lekt?v ?p?:f??re???n] 美?[s??l?kt?v ?p?f??re??n] 释义选择射孔行业词典石油选择射孔???
随便看	dividing machine dividing maching dividing mechanism dividing mold cup dividing-mold cup dividing movement dividing network dividing off dividing panel dividing partition dividing phase dividing pier dividing plane dividing-plate dividing plate dividing point Dividing Ra. Dividing Range dividing ratio dividing ratio, variable dividing reed dividing revenue and expenditure between the central and local governments, entailing a fixed quota of local receipts being handed over to the central treasury in certain years dividing ridge dividing roller dividing rule

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selective perforation