A.增大
B.减小
C.不变
D.条件不足,无法确定
[单选题]A.增大B.减小C.不变D.条件不足,无法确定
[单选题]A.由下颌后静脉后支与耳后静脉汇成B.由下颌后静脉前支与耳后静脉汇成C.由下颌后静脉前后支汇成D.由下颌前静脉与面后静脉汇成E.由面总静脉和耳后静脉汇
[单选题]A.由下颌后静脉后支与耳后静脉汇成B.由下颌后静脉前支与耳后静脉汇成C.由下颌后静脉前后支汇成D.由下颌前静脉与面后静脉汇成E.由面总静脉和耳后静脉汇
[单选题]A.0.24,76%B.0.26,76%C.0.28,77%D.0.30,77%
[单选题]A.0.24,76%B.0.26,76%C.0.28,77%D.0.30,77%
[单选题]A.0.098MPaB.0.106MPaC.0.121MPaD.0.156MPa
[单选题]A.0.098MPaB.0.106MPaC.0.121MPaD.0.156MPa
[单选题]A.U=25-IB.U=25+IC.U=-25-I