radial shield 中文意思是什麼
radial shield
解釋
放射盾板-
For shield excavation the scope of reinforcement is determined either in vertical direction along the tunnel or in radial direction at its starting position
摘要盾構始發預加固范圍的確定,一則是沿隧道縱向的加固范圍確定,二則是盾構徑向加固范圍的確定。
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