淘气lulu
医用口罩 [词典] a clinical mask; [例句]文章介绍了医用口罩阻燃性能测试仪的测试原理、技术特征及结构设计。The testing principle, techno-characteristics and structure design of the flame retardant tester for medical mask was introduced.
jiangdan1101328
各种各样的口罩和各种各样的杯子和水果英语是：1、保暖口罩Cold-weathermask。2、医用外科口罩Surgicalmask。3、活性炭口罩ActivatedCarbonmask。4、防污染口罩Anti-pollutionmask。
