句型一Sbwas/wereabouttodowhen+从句【例句】Shewasabouttodoherhomeworkwhenhermotheraskedhertopracticeplayingthepiano.她正要做作业时,母亲让她练习弹钢琴。【例句】Hewasabouttogiveupwhenanideacametohim.当他想到一个想法时,他正要放弃。句型二Itoccurredto/hit/struck/sbthat+从句【例句】Atthatinstant,itoccurredtomethatheactuallygotdownonhishandsandkneestowork,makingalivingforhisfamily.那一刻,我突然想到...
一词性误用词性误用常表现为:介词错用为动词,形容词错用为副词,名词错用为动词等。例:Theyearnsomemoneysothattheycanindependence.他们挣钱是为了自立。解析:independence是名词,句中误用为动词。改为:Theyearnsomemoneysothattheycanbeindependent.二修饰语错位英语与汉语不同,同一个修饰语放在句子中不同的位置,可能会引起句子含义的变化。这一点常被同学们所忽视,因而造成了不必要的误解。例:IbelieveIcandoitwe...
1EJA1.设备设置devicesetup2.诊断与服务diag/service3.校验calibration4.传感器的校验sensortrim2E+H质量流量计1.GROUPSELECT快速设置2.processparameter工艺参数3.zeroPTADJ零点标定3电磁流量计1.setup2.processinput3.calibration4.autom.zerocalib空管标定4244LD浮筒液位1.diagnosis计2.zerotrim清零3.trimmedaccept清零5艾默生质量流量计1.servicetools服务工具17002.maintenance维护3.zerocalibration调零4.performautozer...
怎么处理电磁阀的故障电磁阀线圈的额定电压有DC12V、DC24V、AC24V(50/60Hz)、AC110V(50/60Hz)、AC220V(50/60Hz)、AC380V(50/60Hz)。一般在电气设计时要么采用AC220V(不需加装开关电源,成本低、线路简单而便于维护)、要么采用DC24V(常用的的安全电压、开关电源/电磁阀线圈都易于维修更换)。检测电磁阀好坏的方法先给电磁阀通上被控制的介质(带压力的液体、气体<空气>,压力值为电磁阀使用压力范围的中间值),再给电磁阀线圈通电...
01PrepositionUse介词用法1.让我来帮你完成工作吧。×Letmehelpyoutodoyourwork.√Letmehelpyouwithyourwork.2.我建议你去休个长假。×Irecommendyoutotakealongvacation.√Irecommendthatyoutakealongvacation.3.过来。×Cometohere.√Comehere.4.太阳从东方升起。×ThesunrisesfromtheEast.√ThesunrisesintheEast.5.小偷是从窗户爬进来的。×Thethiefgotinfromthewindow.√Thethiefgotinthroughthewindow.6.让我们从第10页开...