本文介绍了一种新型非开挖施工机械———液动穿孔机。
This paper describes a non - excavating construction machine - hydraulic perforator.
挖掘机械和操作人员可能伤及在开挖区域内的、临近车辆的工人或破坏资产。
The Excavating Machine and Operator have potential to harm workers in excavation, nearby vehicle traffic, or assets.
土方工程：采用两台挖机机械挖土，采用单坑开挖和条形开挖二种方案。
Earthworks: two excavators to be used for excavation, two construction methods like single pit excavation and strip excavation to be adopted.
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.
地下气动穿孔机是一种新型的非开挖施工机械。
The underground pneumatic perforation machine is the new type non-excavating machinery.
挖掘机械和操作人员可能伤及在开挖区域内的、临近车辆的工人或破坏资产。
Nearby structures can interfere with operation of the excavator or the excavation can undermine adjacent structures and associated foundations.
在人工开挖路线上，安排人员进行开挖，不得机械开挖。
Arrange personnel on manual excavation line rather than taking mechanical excavation.
机械不能直接开挖的石方采用爆破法开挖。
The stone that cannot be dug directly can use blasting operation.
采用机械冷冻的方法冻结深基坑土层，有利于土方开挖，经济效益好。
This article makes an introduction of mechanical freezing process, by which economic returns have been obtained in the construction of a deep foundation pit.
采用机械冷冻的方法冻结深基坑土层，有利于土方开挖，经济效益好。
This article makes an introduction of mechanical freezing process, by which economic returns have been obtained in the construction of a deep foundation pit.
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