The principle and improvement of comprehensive digging equipment are presented.
介绍了综掘机械系统的原理及改进。
On Friday, I stopped by a factory in Baltimore that's creating good jobs here at home by exporting digging equipment abroad.
周五，我在巴尔的摩一家工厂停下脚步，这家工厂通过出口挖掘装备到海外，把好的工作岗位留在了国内。
Authorities say heavy digging equipment is headed to the worst-hit areas of western Java, but time is running out for scores buried under collapsed buildings and landslides.
当局说，深挖设备已经被运往受灾最严重的爪哇西部地区。但是对那些被压在坍塌的建筑和山崩的碎石下面的几十人来说，时间已经不多了。
Airborne technologies, such as different types of radar and photographic equipment carried by airplanes or spacecraft, allow archaeologists to learn about what lies beneath the ground without digging.
机载技术，例如飞机或宇宙飞船能携带的不同类型的雷达和照相设备，让考古学家无需挖掘就能了解地下的情况。
Getting the digging and processing equipment to the site costs millions, and then tons of gold must be produced and preferably other valuable minerals must also be present for a mine to be profitable.
挖掘和处理设备就需要花掉数百万美元，要实现盈利就必须开采出成吨的金子，其他有价值的所含矿物也必须尽可能的被利用。
In order to improve the productivity and reduce the cost of mining, the safety of the equipment used is required as well as the optimizing of the digging device.
为了提高生产率和降低煤矿开采的成本，这就要求所使用的设备具有很高的安全性以及采掘设备的优化配置。
Railway equipment industry is worth digging deeper.
铁路设备行业值得深入挖掘。
The partial ventilator in the coal mine is an important equipment in mine digging, its dependability and efficiency affect directly the safety of gas drainage.
局部通风机是煤矿井下掘进过程的重要设备，其使用的可靠性和效能直接影响着瓦斯的安全排放。
In the end, the key components such as cyclone separator, circulating ash returning equipment, air distributor, firing device, observing window, gate for digging up the dreg are designed.
对旋风分离器、固体返料装置、布风装置、点火装置、观察窗、扒渣门等主要部件进行了专门设计和改进工作。
In the end, the key components such as cyclone separator, circulating ash returning equipment, air distributor, firing device, observing window, gate for digging up the dreg are designed.
对旋风分离器、固体返料装置、布风装置、点火装置、观察窗、扒渣门等主要部件进行了专门设计和改进工作。
应用推荐