单选题:气动夯管锤铺管法和导向转进法都属于非开挖管线工程施工技术,一般适用于管径小于(  )mim的管线铺设工程。

题目内容:
气动夯管锤铺管法和导向转进法都属于非开挖管线工程施工技术,一般适用于管径小于(  )mim的管线铺设工程。 A.200
B.500
C.900
D.1100

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