Theories abound in South Korea, among them that the cold air circulating in a sealed room could cause hypothermia, leading to organ failure.
这种理论在韩国不一而足。 有一种是说在封闭的房间里流动的冷空气会导致体温过低，进而导致器官衰竭。
Model HNX344—114 cup packer is developed in the light of frequent failure and bad sealing effect of self sealed cup packers.
针对自封式皮碗封隔器存在下井阻力大、皮碗易损坏和密封效果差等缺点，研制了HNX344—114型皮碗封隔器。
Model HNX344—114 cup packer is developed in the light of frequent failure and bad sealing effect of self sealed cup packers.
针对自封式皮碗封隔器存在下井阻力大、皮碗易损坏和密封效果差等缺点，研制了HNX344—114型皮碗封隔器。
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