1100kV棒形支柱瓷绝缘子
1 100 kV rod post porcelain insulator
800kV棒形支柱瓷绝缘子
Post insulator of ceramic material for 800 kV
DWX型单体液压支柱
DWX single hydraulic prop
TPM支柱别之课程规划
Localized Training program for TPM Implementation
棒形支柱瓷绝缘子
solid-core post insulator
solid core post insulator
鼻小柱支撑移植物
support graft of the nasal columella
薄壁离心钢管混凝土支柱
thin wall steel spun concrete pole