防水性好，防尘性好，高温高压下，不会被挤出或变稀薄。
Waterproof. Dustproof. Won't be squeezed out or change thin under high temperature and high pressure.
优点：能使用15至20年；对头部和颈部支撑性好；防尘螨。
Advantages: Last 15 to 20 years; offer significant support for head and neck; resistant to dust mites.
12型外壳适用于工业室内使用，主要提供一定程度的防尘，防灰尘和非腐蚀性液体的防护。
Type 12 enclosures are intended for industrial indoor use primarily to provide a degree of protection against dust, falling dirt, and dripping noncorrosive liquids.
13型外壳适用于工业室内使用，主要提供一定程度的防尘，防水，防油和非腐蚀性冷却液的防护。
Type 13 enclosures are intended for industrial indoor use primarily to provide a degree of protection against dust, spraying of water, oil, and noncorrosive coolant.
国内开展防风强防尘技术的研究，主要是结合一些工程可行性研究的需要看占技术验证工作。
China windbreak strong dustproof technology research, mainly is to combine some of the project feasibility study of technological verification work need.
采用可靠的三防技术，防水、防尘、防腐蚀性好，可在恶劣的生产环境中可靠工作。
Water-proof, dust prevention and anti-corrosion, being able to work outdoor under bad environmental condition.
符合NEMA13—室内使用一些防尘，喷洒水，油和非腐蚀性的液体。
NEMA 13 - Indoor use with some protection against dust, sprayed water, oil and non-corrosive liquids.
各部分采用独特的防尘设计，延长使用寿命，提高可靠性。
The parts using a unique dust-proof design, extended life, improving reliability.
阐述了全工班个体呼吸性粉尘监测系统性的监测方案、监测过程及效果分析，提出了有针对性的防尘对策。
To explain whole class works individual workers respirable dust monitoring systematic monitoring program, monitoring process and effect analysis, proposed targeted dust-proof countermeasures.
由于壳体的防尘密封，确保了整体防爆性，增强了给料机的安全性。
Due to shell has good dust seal to guarantee whole body anti explosion and to strengthen safety of coal feeder.
本发明具有较好的防尘功能，能在沙尘严重的环境下使用，提高了产品的可靠性及使用寿命。
The breaker of the invention has an excellent dustproof function, can be used in an environment with heavy dust and improves the reliability and service lift of the products.
阐述了全工班个体呼吸性粉尘监测系统性的监测方案、监测过程及效果分析，提出了有针对性的防尘对策。
The laboratory tests and underground application show that this dust suppression technique has remarkable effect on the total dust, especially on the respirable dust.
爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。
Explosive environment: It is necessary to choose the appropriate level of explosion-proof products, open-air installation or dust should be used more occasions waterproof, dust-proof varieties.
符合NEMA12—室内一些防尘，降污垢和滴水，无腐蚀性的液体使用。
NEMA 12 - Indoor use with some protection against dust, falling dirt and dripping, noncorrosive liquids.
为了彻底防尘，在黑板擦的下端装上了一个可移性的接粉盒。
In order to prevent the ash completely, the lower end of the eraser for blackboard is provided with a movable ash receiving box.
为了帮助提高安全性，产品提供可选的手指安全，可透视的盖子，以及包含锁定/标签能力和开路指示功能的20等级的防尘防水保护。
To help enhance safety, products offer optional finger-safe, see-through covers, an Ingress Protection 20-rating that includes lockout/tag out capabilities and open circuit indication.
为了帮助提高安全性，产品提供可选的手指安全，可透视的盖子，以及包含锁定/标签能力和开路指示功能的20等级的防尘防水保护。
To help enhance safety, products offer optional finger-safe, see-through covers, an Ingress Protection 20-rating that includes lockout/tag out capabilities and open circuit indication.
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