垂直弯管 meaning in Chinese

normal bend

Fixed railway installations . compact ducting in reinforced concrete for electric traction cables . vertical bends
铁路固定装置.电气牵引电缆用嵌入钢筋混凝土中的密排导管.垂直弯管
Fixed railway installations . compact ducting in reinforced concrete for electric lighting cables . covers for vertical bends
铁路固定装置.电气照明电缆用嵌入钢筋混凝土内的密排导管.垂直弯管盖
Fixed railway installations . compact ducting in reinforced concrete for electric lighting cables . stirrups for securing vertical bend covers
铁路固定装置.电气照明电缆用嵌入钢筋混凝土内的密排导管.固定垂直弯管盖用蹬形夹
Fixed railway installations . compact ducting in reinforced concrete for electric traction cables . stirrups for securing vertical bend covers
铁路固定装置.电气牵引电缆用嵌入钢筋混凝土中的密排导管.固定垂直弯管盖的蹬形夹