定向爆破

• Demolition of two brick chimneys by directional blasting
  两座砖烟囱定向爆破拆除
• Demolition of an inclined chimney through directional blasting
  烟囱的定向爆破拆除
• Directional blasting demolition of thick - wall chimneys
  厚壁烟囱的定向爆破拆除
• Demolition of stone - structured water tower by directional blasting
  石砌水塔定向爆破拆除
• Demolition of two chimneys by directional blasting
  2座烟囱定向爆破拆除
• Directional demolition bl asting of shel l structure cooling tower
  薄壁冷却塔的定向爆破拆除
• Demolition of a 65m - high brick chimney by directional blasting
  四十米高砖砌烟囱的定向爆破拆除
• Directional blasting of 65 m - high brick chimney
  高砖烟囱定向爆破
• Demolition of a leaning brick - structural chimney by directional blasting
  倾斜砖烟囱的定向爆破拆除
• Demolition of 60 m - high brick chimney by directional blasting
  百米以上钢筋混凝土烟囱定向爆破拆除技术