A、<span style="font-family: 宋体; line-height: 23.33333396911621px;">总水头线与测压管水头线平行</span>
B、<span style="font-family: 宋体; line-height: 23.33333396911621px;">总水头线不低于测压管水头线</span>
C、<span style="font-size: 16px; line-height: 23.33333396911621px; font-family: 宋体;">测压管水头线高于位置水头线</span><span style="font-size: 16px; line-height: 23.33333396911621px;"> </span>
D、<span style="font-family: 宋体; line-height: 23.33333396911621px;">以上三点都不正确</span>