... 线隧 threaded list 导坑 approach pit; drift heading; pilot drift; pilot hole; pilot tunnel; pilottunnel 中央导坑式开挖隧道 core method of tunnel construction ...
abstract:Pilotdrift is an American experimental rock band formed in Texarkana, Texas. Their sound has been described as an experimental mixing bowl, with ingredients including space rock, cinematic orchestral music, jazz, psychedelic rock, dark n' dusty westerns, future pop, spoken word, electro-indie, folk etc.
The monitoringdatashow that the structuralsettlement is the prominent response style of the existingsubways, and the settlement mainlyhappensduring thepilot-driftconstruction.