防护装置必须提供足够的人员保护，且必要时允许散热。
Guards must provide adequate personnel protection and allow for dissipation of heat if necessary.
分析了建筑物电气装置安全防护中各类保护实施时相互间的关联和影响。
The mutual relationship and influence of all kinds of protection in the safety protection of building electrical equipment were analyzed.
请戴保护手套和眼睛防护装置，以避免曝露在切割的灰尘与烟雾之中。
Wear protective gloves and eye protector to prevent exposure to cutting dust or mist.
本实用新型提供了一种电焊工保护眼睛及面部的闸式电焊遮光防护装置。
The utility model provides a brake type shading and protecting device for electric welding, and the utility model is used for protecting the eyes and faces of electric welders.
这些防护装置包括附加的保护器件，以增强由常规的电路断路器和保险丝系统所提供的保护。
These include add-on devices for protection in addition to that afforded by conventional circuit-breaker and fuse systems.
必须根据风险类型选择用于防护由运动部件引起的风险的防护装置罩或保护装置。
Guards sor protective devices designed to protect against risks arising from moving parts must be selected on the basis of the type of risk.
脸部保护装置采用多层合成防护镜来阻挡高温射线。
Faceshield protection is provided by a multi-layered system of tempered glass and reflective gold on a heat resistant lens.
“防护装置”是指机械的一部分，专门用于通过设置物理屏障来提供保护； 缻。
'guard' ' means a part of the machinery used specifically to provide protection by means of a physical barrier;
本发明提供一种显示装置的拉幕式保护罩，其包括控制单元、转动结构及防护布。
The invention provides a curtain type protective cover of a display device, which comprises a control unit, a rotational structure and fence cloth.
本发明提供一种显示装置的拉幕式保护罩，其包括控制单元、转动结构及防护布。
The invention provides a curtain type protective cover of a display device, which comprises a control unit, a rotational structure and fence cloth.
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