DESIGN OF PRESTRESSED ANCHOR BOLTS AND SIMULATING CALCULATION BY FINITE ELEMENT METHOD FOR ANCHOR BOLT-SPRAY SUPPORT IN BIG-SPAN TUNNEL WITH HARD ROCKS是什么意思_DESIGN OF PRESTRESSED ANCHOR BOLTS AND SIMULATING CALCULATION BY FINITE ELEMENT METHOD FOR ANCHOR BOLT-SPRAY SUPPORT IN BIG-SPAN TUNNEL WITH HARD ROCKS在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句