A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">上承式桥梁<span style="mso-spacerun: yes"></span></span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">下承式桥梁<span style="FONT-FAMILY: Times New Roman; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ascii-font-family: Times New Roman"><span><p></p></span></span></span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">中承式桥梁</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-family: ">开敞式桥梁<span><p></p></span></span>