问题
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拉线UT线夹的螺帽外露螺纹长度不得小于(),且有调节余量。A.20mmB.30mmC.40mmD.50mm
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【C13】A.opportunitiesB.positionsC.companiesD.organizations
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以下不属于口腔颌面部肿瘤的影像学检查的是A、CTB、FNAC、X-rayD、MRIE、UT
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核工业无损检测人员资格鉴定的无损检测方法有a)5种(RT、UT、ET、MT、PT)b)7种(RT、UT、ET、MT、PT、LT、VT)
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Horses have more highly developed______of sight and hearing than humans.A.sensesB.skillsC.
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______ are that new machine will arrive tomorrow.A.OpportunitiesB.OccasionsC.ChancesD.Time