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The Phylogeny of the Door

2016-06-07

The door arises the earliest at what times, be what person invention, original door is had why to plant configuration, it is what material is qualitative, how form, basically have what effect.

From ancient up to now the door experienced what change, these change occur in when, it is the change that causes because of what, have sense of what kind of history, the change of the door has what sense to human development.

The door has what classification, how many kinds of door is shared to exist on specific history. At present the door cent on the world is how many kinds, have what kind of outward appearance, most contemporary the door product with high-tech is function be what kind of.

Door lock the furniture as the door is what times generation, the development process of door lock.

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