防护设备

屏蔽层在零序工作状态下的电抗值低，有利于新型短路自动保护设备的应用，有利于电缆及其相关设备的安全运行。

protecting

protective liquid for protecting the package contents

device for protecting the eyes (eye protector)

Stomach-Protecting Qi4-Coordinating Decoction [NIS]

porcelain thermocouple protecting tube

grille protecting against bad weather

case (casing) protecting case

protecting substance against radiation