editorial素材 - SINGAPORE - MARCH 06, 2013: The Helix Bridge at night in Singapore. The Helix is fabricated from 650 tonnes of Duplex Stainless Steel and 1000 tonnes of carbon steel.
SINGAPORE - MARCH 06, 2013: The Helix Bridge at night in Singapore. The Helix is fabricated from 650 tonnes of Duplex Stainless Steel and 1000 tonnes of carbon steel.