The invention discloses an automatic lead-lined door, belonging to the technical field of electric control.
本发明公开了一种全自动化防辐射门，属于电气控制技术领域。
Katherine walked over to the exit and heaved open the lead-lined door, staring out into the void. She listened for a moment, but heard nothing.
凯瑟琳来到出口，用力推开一道铅制的大门，她向外面注视着，那里空无一人，又听了一会儿，一点动静也没有。
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