英语翻译compact air filter 还有the user of a respiartor fitted wit

compact air filter 小型空气过滤器the user of a respiartor fitted with a filter must be properly trained and fully conversant with the relevant instructions for use。配置过滤罐呼吸器的使用者使用前必须有适当的练习以及全盤了解说明书的内容remove the packging and cover from the filter。Ensure that the airtight seal is not damaged。将过滤罐的包装及封盖取下 确认气密封装没有受到损伤Check the coding of filter and mask to ensure theat the correct ones are selected for use。检查过滤罐及面罩的规格码确认为同一种使用规格Connect hermetically filter to facepiece,put onrespirator and check tightness against face。将气密过滤罐接在面罩接口 将呼吸组戴上并保持与脸部紧密贴合The filter duration depends on the condition of use。过滤罐的使用时限 视使用状况而定Gas and combined filters must be replaced when the smell of contaminants is detected。当闻到污染物的气味时 必须更换气甁及并用的过滤罐Filters for protection against odourless gases and vapours must only be used once and for a short period ,determined by the actual workding conditions。当过滤器面对无味气体或蒸汽的保护时 依照实际的工作情况 使用时间可能要缩短并且只能使用一次