水泥英語詞匯手冊2

1、1NN.wt.(weight)凈重NAcement低堿水泥nacre珍珠母，珍珠層，珍珠質nailconcrete可釘混凝土naildrawer拔釘鉗nailhammer釘錘nakedwire裸線nameplate銘牌nanoammeter毫微安計nanocurie毫微居里nanograde毫微級nanogram毫微克，纖克nanometer毫微米(109m)NanyoCementWks日本南陽水泥廠narrow(railway)tra

2、ck窄軌(運輸線)narrowgaugetrack窄軌(運輸線)naturalaggregate天然集料naturalaircooling自然空氣冷卻naturalcement天然水泥naturalconservation自然資源保護naturaldraftventilation自然通風naturalfrequencyconvey搖臂式輸送機naturalgas天然氣naturalpumice天然浮石naturalrefracty天然耐

3、火材料naturalventilation自然通風naturalvibrationfrequency固有振動頻率navvypick挖土鎬NDT(nondestructivetest)非破壞性試驗neatcementpaste水泥凈漿neatpaste(水泥)凈漿neatPtlcement純硅酸鹽水泥neckbearing中間軸承，輥筒軸承，頸軸承needle(roller)bearing滾針軸承needlegate棒閘，針開閘門need

4、levalve針閥negativeallowance(尺寸的)負公差negativemoment負彎矩negativepressure負壓nephelinite霞巖neptunicrock水成巖，沉積巖nestofsieves套篩filterarea收塵器凈面積3noloadpower空載功率noloadtest空載試驗noloadtestrun空載試運轉nominalasbestoscementsheet石棉水泥波瓦標準張nomina

5、ldiameter標準直徑，中值粒徑nominalelasticstrain標稱彈性應變nominalgrainsize標稱顆粒粒度nominalhsepower標稱馬力，額定功率nominallength標稱長度nominalload額定負載，標稱負荷nominalmaximumsizeofaggregate集料標稱最大粒徑nominalsize標定粒度，通稱粒度[根據(jù)物料限度]nominalspeed額定轉速，額定速度nominal

6、throughput額定產(chǎn)量nominalvoltage標定電壓，額定電壓nonabsbentmaterial非吸收性材料nonairentrainingcement非引氣水泥noncalcareouscement無鈣水泥noncrodibility防腐性nondefective合格品nonequilibrium不平衡nonferrousmaterial有色金屬材料nonferrousmetal有色金屬，非鐵金屬nonfreeflowi

7、ngmaterial非自由流動材料nonfreezingsolution防凍劑nongroundedneutralsystem中性點不接地系統(tǒng)nonignitable耐火的，不燃的，不著火的nonmiscible不溶混的nonprefmedwirerope松散鋼絲繩nonpressurized非加壓的nonreinfcedconcrete素混凝土，無鋼筋混凝土nonreturnflap逆止閥nonreturnsafetyvalve單向閥

8、nonshrinkingcement不收縮水泥nonstainingcement不著色的水泥[含氧化鐵少的水泥]nonsymmetricalsection①不對稱斷面②不對稱型鋼材nontiltingmixer非傾斜式攪拌機nonunifmity不均勻性，非均質性nmalbend標準彎頭nmalfce正壓力，垂直力，法向力nmalkiln正常溫度窯nmaloperation正常作業(yè)，正常操作nmalPtlcement普通硅酸鹽水泥nma