所在环境中的任何物体都可以成为障碍物，不过“跑酷”运动经常会在城区内进行，因为建筑物和轨道等公共设施都是很适合的障碍物。
The obstacles can be anything in one's environment, but parkour is often seen practiced in urban areas because of the many suitable public structures available such as buildings and rails.
该EX-2000可使用于需要进入存储易燃气体的建筑物或房间，气体污染普遍的工业设施或其他类似应用中。
The EX-2000 may be used by personnel entering a building or room where combustible gases are stored, at industrial facilities where gas contamination is common, or for similar situations.
爆破震动效应控制是邻近已有建筑物或重要设施设备的岩石基础钻爆开挖中的重要技术问题。
The control of blasting vibration is an important problem for the rock blasting excavation adjacent to the structures and establishment.
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