A.桥体过长
B.咬合过紧
C.有早接触
D.制作的桥体龈端过长
E.固位体边缘过长
[单选题]A.上切牙切缘舌斜面B.上切牙切缘舌唇面C.上切牙舌窝D.下切牙切缘E.下切牙切缘舌斜面
[单选题]A.条件(1)充分,但条件(2)不充分B.条件(2)充分,但条件(1)不充分C.条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起来充
[单选题]A.条件(1)充分,但条件(2)不充分B.条件(2)充分,但条件(1)不充分C.条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起来充
[单选题]A.2B.3C.4D.5
[单选题]A.52.8B.91.4C.304.8
[多选题]A.水分凝结B.浸润绝缘部件表面C.绝缘强度下降D.E.
[单选题]A.52.8B.91.4C.304.8
[单选题]A.<14%B.14%~15%C.15%~16%D.>16%