求翻译：采用三导洞施工,左右洞最终沉降为6mm，5mm，而采用中导洞施工，左右洞的最终沉降值为6.5mm，5.5mm。采用三导洞法施工，左洞开挖对左洞拱顶沉降的纵向影响范围为为4倍的隧道洞径；右洞开挖对左洞拱顶沉降的纵向影响范围为1.5倍的洞径。是什么意思？

Construction of a three- hole lead , eventually settling around the hole for 6mm, 5mm, while the use of the guide hole construction , about the final settlement value of the hole 6.5mm, 5.5mm.

The 3-Hole construction, and the left and right hole final settlement of 6MM, 5mm, and in the hole construction, and the left and right hole of the final settlement value of 6.5 MM, 5.5 mm. The 3-Hole Construction Law in the top left-hand hole digging up the left hole vaulted settlement of the longi

Uses three guide hole constructions, about the hole finally subsidence is 6mm,5mm, but uses the guide hole construction, about the hole finally subsidence value is 6.5mm,5.5mm.Uses three pilot method constructions, opens wide digs to the left hole arch subsidence longitudinal influence scope for is

Three pilot heading construction, about final settlement is 6mm,5mm, and the use of pilot heading construction in left and right holes the ultimate settlement value is 6.5mm,5.5mm. Three hole method, vault in the excavated hole on the left of the left cavity of longitudinal impact of settlement rang

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