Oil pipeline switch，close-up pictures of
Palabras clave
energy,
equipment,
oil,
closeup,
sky,
pressure,
machinery,
control,
industrial,
component,
fastener,
pipeline,
ageing,
background,
switch,
technology,
work,
industry,
enterprise,
storage,
oilfield,
gauge,
metal,
seal,
valva,
economy,
connected,
lot,
beautiful
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