求翻译：选择有利地形，尽量避开施工难点和不良工程地址段，尽量避开地震活动断裂带和灾害地质地段，确保管线长期安全运行是什么意思？

Choose a favorable terrain, try to avoid construction difficulties and poor project addresses, try to avoid active faults and earthquake disasters, geological sites, to ensure long-term safe operation of pipeline

Choose a favorable terrain, try to avoid construction and difficult and undesirable works as far as possible, avoid paragraphs address seismic activity Fracture Zone and the disaster geological lots to ensure long-term security pipeline running

Chooses the advantageous terrain, avoids the construction difficulty as far as possible and not the good project address section, avoids the seismic activity fault zone and the disaster geology land sector as far as possible, guarantees the pipeline long-term safe operation

Select a favorable terrain to try to avoid the construction difficulties and bad address, geological section of seismic active fault zone and try to avoid the disaster, ensure the long-term security of the pipeline operation