About OKUBO S
About Univ. Tokyo, Tokyo, JPN
About FUKUI K
About Univ. Tokyo, Tokyo, JPN
About CHEN W
About Univ. Tokyo, Tokyo, JPN
About Rock Mechanics and Rock Engineering
About tunneling
About TBM(constraction equipment)
About Tunneling machines or equipment
About Excavators
About 日本
About TBM
About 適用性
About エキスパートシステム