Between that operation and Thursday's excavation, the pit was completely sealed, out of fear that air or insects could damage the beams of the ancient boat.
在这个操作和周四的挖掘之间，地道被完全密封着，所以不用担心空气或者昆虫会对这些木材造成伤害。
The mining operation includes a tan pit mine, processing equipment, and tailings ponds, where water and minerals are stored after the oil is removed.
采矿作业包括棕褐色的露天矿坑，加工设施和尾矿池，也就是分离石油后的水和矿物存储的地方。
The difficulties of the whole system design are the design of the pit judgment arithmetic, the writing of the HY6070 VXD, the design and operation about the database.
所以整个系统设计的难点在于：缺陷判定算法的设计；hy6070虚拟驱动程序的编写；数据库的设计和操作。
Conclusion the health care closely with the fissure, the four-hand operation, short-term operations, in order to achieve a high retention rate of pit and fissure.
结论医护密切配合进行窝沟封闭，四手操作，短时操作，以达到窝沟封闭的高保留率。
Since the system can display with image the ash and slag distribution in the ash-pit under the boiler in a real-time manner, it helps people effectively control the operation of the ash system.
该系统能实时绘图显示炉底灰坑内灰渣分布情况，使运行人员充分掌握炉底出灰系统的运行情况，取得了很好的效果。
Technical measures are proposed for safe operation of fireproof fluid hydraulic coupling in explosive pit environment.
提出了难燃液偶合器在井下防爆作业安全运行的技术措施。
It is suitable for the engineering of various open - pit mines and large excavating - hauling combined operation.
它适用于各种露天开采的矿山和大型采掘运输联合作业的工程。
The selected caproic acid bacteria could then be used in the maintenance of artificial pit mud and the operation of sand cast technique and pit irrigation technique.
可将选育出的己酸菌用于人工窖泥、窖池泥养护、翻沙材料及灌窖工艺中。
The difficulties of the whole system design are the design of the pit judgment arithmetic, the writing of the HY6070 VXD, the design and operation about the database.
所以整个系统设计的难点在于：缺陷判定算法的设计；HY6070虚拟驱动程序的编写；
Recruitment stage: co-operation topics, selected pit personnel, aircraft, "Bridge" paved "road", the establishment of docking platform;
招收阶段提出：合作选题、精选进站人员、架“桥”铺“路”，建立对接平台；
Recruitment stage: co-operation topics, selected pit personnel, aircraft, "Bridge" paved "road", the establishment of docking platform;
招收阶段提出：合作选题、精选进站人员、架“桥”铺“路”，建立对接平台；
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