尤其是在对施工设备的使用方面，如果管理和操作不当，势必造成经济损失和人员伤亡的重大事故。
Especially for the use of construction equipment, if we manage them or operate in wrong way, it may cause economic loss and major casualties.
油气管线失效事故会给周围人员和设备造成重大危害。
The pipeline accident can cause damage to the people and equipments around.
油气管线失效事故会给周围人员和设备造成重大危害。
The pipeline accident can cause damage to the people and equipments around.
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