你们每人控制单行道上靠近自己这一端的一扇大门。
Each of you controls a gate at your own end of the one-way road.
长屋两端都有一扇门，门上都覆盖着兽皮或用铰链拼接的树皮。它们在人进出时可被提起。
At each end of the longhouse was a door with a covering of animal hide or hinged bark that could be lifted up for entering and exiting.
扇框是为具有一柱状通道的框体，柱状通道二端于框体上各形成入风口及出风口。
The frame has a column channel, of which one of the open ends is the air inlet and the other is the outlet.
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