问题描述：
英语翻译
compact air filter
还有
the user of a respiartor fitted with a filter must be properly trained and fully conversant with the relevant instructions for use.remove the packging and cover from the filter.Ensure that the airtight seal is not damaged.Check the coding of filter and mask to ensure theat the correct ones are selected for use.Connect hermetically filter to facepiece,put onrespirator and check tightness against face.The filter duration depends on the condition of use.Gas and combined filters must be replaced when the smell of contaminants is detected.Filters for protection against odourless gases and vapours must only be used once and for a short period ,determined by the actual workding conditions.
应该是过滤式防毒面具的说明,
compact air filter
还有
the user of a respiartor fitted with a filter must be properly trained and fully conversant with the relevant instructions for use.remove the packging and cover from the filter.Ensure that the airtight seal is not damaged.Check the coding of filter and mask to ensure theat the correct ones are selected for use.Connect hermetically filter to facepiece,put onrespirator and check tightness against face.The filter duration depends on the condition of use.Gas and combined filters must be replaced when the smell of contaminants is detected.Filters for protection against odourless gases and vapours must only be used once and for a short period ,determined by the actual workding conditions.
应该是过滤式防毒面具的说明,
问题解答：
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