A、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>减少扭转效应</strong></span>
B、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>侧向移动</strong></span>
C、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>竖向移动</strong></span>
D、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>斜向侧移</strong></span>