< Fixed end:SGH01 >

< Cable (rod) column:SGZ01 >

< Regulating end:SGH02 >

< Cable (rod) column:SGZ02 >

< Regulating end:SGH03 >

< Cable (rod) column:SGZ03 >

< Regulating end:SGH04 >

< Cable section:SGH05 >

< Cable section:SGH06 >