They have double layer wind-resistant shell and binding, feature 100% Polyester Thermolite for great insulation and they are adjustable in case you have a huge noggin.
它有双层防风罩和固定绑带，100%保暖涤纶，绝对保温！ 并且头大的话，耳罩可以调整。
On the other hand, in order to meet the security needs of operation, the insulation must be closed shell, which will lead to difficulty in cooling coil.
另一方面，为了满足操作的安全需要，必须采用封闭的绝缘外壳，而这将导致线圈散热困难。
Special heat insulation shell should be used for heat insulation of air conditioning refrigerant pipe system according to the special requirements of the air conditioner.
空调冷媒管系统的保温均根据空调系统的特殊要求选用专用保温管壳。
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