breathing mouthpiece
常見例句
- Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.
呼吸保護(hù)裝置。與全罩式面罩、半罩式面罩或口罩一起使用的壓縮空氣導(dǎo)管呼吸裝置。要求、試驗(yàn)和標(biāo)志。 返回 breathing mouthpiece