specific gravity

• Specific gravity of inorganic compounds
  无机化合物的比重
• Test method for specific gravity of creosote and oil - type preservatives
  杂酚油及油质防腐剂比重测试方法
• Specific gravity of brake lining
  制动器摩擦衬片的比重
• Asphalt materials - determination of specific gravity and density - pycnometer method
  石油沥青比重和密度测定法
• Sodium hydroxide for industrial use - part 1 : specific gravity or density
  工业用氢氧化钠.第1部分:比重或密度
• Schilling s specific gravity gas
  希林氏气体比重装置
• Standard test methods for specific gravity of wood and wood - based materials
  木材和木基材料比重的标准试验方法
• Black products . determination of specific gravity of hard bituminous products
  黑色产品.硬沥青产品比重的测定
• Maximum theoretical specific gravity
  最大理论比重
• Urine specific gravity refractometer
  尿比重折射计