求翻译：排气管道与通风机进出口相接处，应设置长度为200～300mm的防火软接头，排气管道通大气时，需加不锈钢防护网（10*10）。是什么意思？

Exhaust pipes connecting with the fans at the import and export should be set to a length of 200 ~ 300mm fire soft joints, exhaust pipe through the atmosphere, the need to add steel fence (10 * 10).

vent piping and ventilation machines should be set up, the import and export back to 200 to 300 mm length of the exhaust pipe joints and firewall software, it is necessary for the atmosphere and stainless steel protective net (10 * 10 ).

When the exhaust pipeline and the ventilator import and export connecting point, should establish the length is the 200~300mm fire protection soft attachment, the exhaust pipeline open to atmosphere, must add the stainless steel safety net (10*10).

Import and export of exhaust pipes and ventilator-phase, length should be set for the 200~300mm fire hose, vent pipeline atmosphere, extra stainless steel netting (10*10).

Arrange the angry pipeline and is connected to ventilator imports and exports in the place, should set up length as the soft piecing of fireproofing of 200-300mm, while arranging the open atmosphere of the angry pipeline, need to add the stainless steel protection net (10*10).