- 1. 超高空气效过滤器: ultra-low penetration air filter
...two-speed motor双速电机 ultra-low penetration air filter超高空气效过滤器 unidirectional air flow clean rooms单向流洁净室vacuum真空 valve and sub-asembly handling fees阀门及配件安装工费 ..
dict.youdao.com - 2. 超高效空气过滤器: ULPA
dict.youdao.com - 3. 或超高效空气过滤器: ULPA
dict.youdao.com - 4. 与超高效空气过滤器: ultralow penetration air filters
dict.youdao.com
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