痕

• Plastics . determination of the resistance to scratching
  塑料制品.耐划痕的测定
• Effect of scratch on fatigue life of fasten holes
  孔口划痕对紧固孔疲劳寿命的影响
• Berlin had my bite marks . - gale ! time ' s up
  贝林身上有我的齿痕-戈尔!时间到了
• Spiral vibration damper electricity damage testing report
  防震鞭耐电痕检验报告
• Catalytic fluorimetric determination of trace nitrite
  催化荧光法测定痕量亚硝酸根
• You haven ' t had a dent on your motor vehicle in years
  你的汽车上好几年不见凹痕。
• That ' s too high . last year ' s notch wasn ' t so high
  太高了.去年那个刻痕没那么高的
• Determination of trace selenium by catalytic fluorimetry
  催化荧光法测定痕量硒
• Study on trace metals in coral reef of daya bay , china
  大亚湾珊瑚礁痕量金属的研究
• Test for hardness of plastics by the ball indentation
  塑料球压痕硬度试验方法