We first came to the palace gate - end door.
我们来到故宫的第一个门——端门。
Described are the composition, control system and working process of the electrical inner end door.
介绍了电动内端门的构成、控制系统及工作流程。
Described are the composition, control system and working process of the electrical inner end door.
介绍了电动内端门的构成、控制系统及工作流程。
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