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[单选题]
Moyers预测上牙弓拥挤度为3mm,拥挤度的评判是()。
A.正常,牙量与骨量协调
B.牙量大于骨量,轻度拥挤
C.牙量大于骨量,中度拥挤
D.牙量大于骨量,重度拥挤
查看答案
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A.正常,牙量与骨量协调
B.牙量大于骨量,轻度拥挤
C.牙量大于骨量,中度拥挤
D.牙量大于骨量,重度拥挤
桥梁上,上弯度曲线平顺,跨中上弯度值与计算值差不超过()为优良。
A.±2mm
B.±3mm
C.±4mm
D.±5mm
A.外形尺寸允许偏差3mm,用钢尺检查
B.外形尺寸允许偏差2mm,用钢尺检查
C.立面垂直度允许偏差2mm,用1m垂直检测尺检查
D.立面垂直度允许偏差3mm,用1m垂直检测尺检查
E.门与框架的平行度允许偏差2mm,用钢尺检查
A.DN200mm~DN450mm
B.DN>450mm
C.DN<200mm
D.DN<100mm
A.5mm,3mm
B.5mm,2mm
C.4mm,3mm
D.4mm,2mm
A.价值表决法
B.展示自我法
C.澄清应答法
D.价值排队法