Introduction - If you have any usage issues, please Google them yourself
CASIO calculators : slope of the straight-less digging and inspection procedures for opening lines lofting arc of the slope-unerbreak opening line inspection and measurement procedures coordinates lofting coordinate conversion and construction of the tunnel straight top lofting arc procedures
Packet : 87361034yfy2003_c1.rar filelist
yfy放样程序\边坡超欠挖检查及开口线放样程序.doc
yfy放样程序