The breech lock closure type heat exchanger is characterized by reliable sealing performance, easy dismantling and assembling, high utilization ratio of heat exchange area and small grounding.
螺纹锁紧环换热器具有密封性能可靠，拆装方便，换热面积的利用率高，结构紧凑，占地面积小等特点。
Its advantages are discarding thick and heavy cover glass, high utilization ratio of energy, high brightness of refraction image, easy to making plane frame of hologram for display and easy to carry.
该法优点是不需要厚重玻璃衬板，光能利用率高，重现像亮，易于把全息图制成平面一体化构架，便于携带。
Its advantages are discarding thick and heavy cover glass, high utilization ratio of energy, high brightness of refraction image, easy to making plane frame of hologram for display and easy to carry.
该法优点是不需要厚重玻璃衬板，光能利用率高，重现像亮，易于把全息图制成平面一体化构架，便于携带。
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