The Mechanical pre-cutting method used in soft ground is a kind of preparative support, it allows tunnel excavation work to be conducted efficiently under the safe pre-lining.
软土中的机械预切槽法是超前支护的一种,在预筑拱的保护下可以安全高效地开挖隧道。
The Mechanical pre-cutting method used in soft ground is a kind of preparative support, it allows tunnel excavation work to be conducted efficiently under the safe pre-lining.
软土中的机械预切槽法是超前支护的一种,在预筑拱的保护下可以安全高效地开挖隧道。
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