如果不能同时满足这四个条件，则控制或操作模式选择器必须使得设计和制造用来确保有安全干预区的其他保护措施起作用。
If these four conditions cannot be fulfilled simultaneously, the control or operating mode selector must activate other protective measures designed and constructed to ensure a safe intervention zone.
通风作业区的各个部位保持良好的通风对操作人员的安全是非常重要的。
Ventilation It is very important for the safety of the applicator that good ventilation be provided to all portions of the area.
通风作业区的各个部位保持良好的通风对操作人员的安全是非常重要的。
Ventilation: It is very important for the safety of the applicator good Ventilation be provided to all portions of the area.
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