Dynamic characters of human body must be researched for human vibration protection.

要对振动环境中的人体进行保护，必须研究人体振动特性。

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3 selection should preferred coated thin fire retardant coatings, the selection of thickness of coating type paint, exterior to do decorative surface layer vibration protection.

3选用时宜优先选用薄涂型防火涂料，选用厚涂型涂料时，其外需做装饰面层隔护。

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In this article, one method of using the combined support composed of baffles and flat steel to design tabular heat exchangers with low pressure loss and vibration protection was presented.

本文对设计降低压力损失和防止振动的管壳式冷却器，提出了一种有效的方法，就是管束采用折流板-扁钢条复合支承。

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They are certified to MIL-STD 810G for extremes in temperature, vibration, shock and four-foot drops and have an IP65 rating for ingress protection, which means they are fully protected against dust and can withstand low pressure jets of water from all directions.

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