About MAKHMUTOV N R
About SYRTLANOV A SH
About ERSHOV A M
About VEL'BOJ A N
About Neftepromyslovoe Delo
About oil well
About scaling trouble
About Extracting method
About Film flows,liquid drops,bubbles,cavitation
About 坑井
About 試薬
About 計量
About 投与
About あわ