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飞行装备应保证飞行人员在不同季节、不同的气候环境中有必需的保温性。这其中低温对人体的危害甚大,为保护飞行员身体不受低温的影响,仅靠增大服装的厚度是不行的。虽然,服装的保暖性随服装的厚度增厚而加大,但服装厚度增加到40毫米左右后,再只靠增加服装的厚度来提高保温性,作用就不大了。故必须采取其它措施来御寒,于是出现了飞行员的电热服装。
Flight equipment should ensure that pilots have the necessary thermal insulation in different seasons and climates. This low temperature on the human body is very harmful, in order to protect the pilot’s body from the impact of low temperature, simply by increasing the thickness of the garment is not acceptable. Although the warmth of the garment increases with the thickness of the garment, the thickness of the garment increases to about 40 mm. However, by increasing the thickness of the garment to increase the thermal insulation, the effect is not significant. Therefore, other measures must be taken to keep warm, so the pilot’s electric clothing appears.