A small piece of the tunnel. Manual work. In total, more than 500 of them were produced.
此隧道的一小部分，手工制作。这些手工制作品的数量共计多于500个。
Research purposes: in order to ascertain geology condition of karst water bursting disaster in the course of tunnel caving and give a technique foundation for the work of tunnel geology prediction.
研究目的：明确岩溶山区深埋隧道施工突水灾害形成的地质条件，给隧道施工地质超前预报工作提供技术基础。
The difficult excavation is a difficult point in construction of wind-blown sand tunnel, thus, to ensure smooth going of excavation is a stress of excavation work.
风积砂隧道的施工难点是开挖难，如何保证开挖工作的顺利进行就成为开挖工作的重点。
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 speed of circulation of goods are higher than the general shelves, tunnel forklift up to 14 meters in height of operations, electronic control even at a higher stacking cranes at work.
货物流通量的速度比一般货架都高，巷道铲车能在高达14米的高度作业，电控堆垛起重机甚至能在更高处作业。
For a long time he involved in tunnel & underground work management and technical research, by winning many times prizes of national and provincial levels, with many papers published.
长期从事隧道及地下工程管理和技术研究工作，荣获国家、省部级奖项多次，发表论文及论著多篇。
For a long time he involved in tunnel & underground work management and technical research, by winning many times prizes of national and provincial levels, with many papers published.
长期从事隧道及地下工程管理和技术研究工作，荣获国家、省部级奖项多次，发表论文及论著多篇。
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