- coefficient of tamping
- 填塞质量系数
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Dental restorative materials — This page is about types of dental restorative materials. For dental fillings see dental restorations Dental restorative materials are specially fabricated materials, designed for use as dental restorations (fillings), which are used to restore… … Wikipedia