A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">支撑大缆</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">改变大缆的角度</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">传递竖向力<span style="mso-spacerun: yes"></span></span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">将大缆从扎紧状态变为散开状态<span style="FONT-FAMILY: 宋体; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体"><span><p></p></span></span></span>