A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">当水准尺向前或向后倾斜时增大</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">当水准尺向左或向右倾斜时减少</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">总是增大</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">总是减少</span>
E、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">读数不受影响</span>