方案1：排烟管道接至室外。至楼顶或直接排放

Plan1：Exhaust pipe connected to outside,To the roof or direct emissions.

方案2：排烟管道接至天花层，至管道井或主排烟管道排放。

Plan2：Exhaust pipe connected to smallpox layer,To the pipe well or main exhaust pipe emissions.

方案三：排烟管延下层天花层，至管道井或主排烟管排放。

Plan3：Smoke GuanYan smallpox in lower layer,To the pipe well or main exhaust pipe emissions.

方案4：排烟管延下垫高层，至管道井或主排烟管道排放。

Plan4：Support the smoke GuanYan on top,To the pipe well or main exhaust pipe emission