The safe protection system of the lift is generally made up of mechanical security protector and electric security protector.
电梯安全保护系统一般由机械安全保护装置和电气安全保护装置两大部分组成。
The safe protection system of the lift is generally made up of mechanical security protector and electric security protector.
电梯安全保护系统一般由机械安全保护装置和电气安全保护装置两大部分组成。
应用推荐