Porcelain crossarm
... 玻璃绝缘子Glass insulator 瓷横担Porcelain crossarm 瓷绝缘子Ceramic insulator ...
porcelain-arm insulator ; arm insulator
XWP ; XP
瓷横担,由铁帽、钢化玻璃件和钢脚组成,并用水泥胶合剂胶合为一体。