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- vertical shaft development 立井开拓
- An inclined or vertical shaft or passage between levels in a mine. 小暗井矿井里层与层之间倾斜的或垂直的竖坑或通道
- J. Vertical Shaft Fine Adjustment Screw. 垂直杆微调螺丝.
- The development of vertical shaft tunnel in former USSR is introduced in the paper. 本文对原苏联等国家的竖井式泄水道发展过程作了简要介绍,并进行了评述。
- The part of a vertical shaft that turns in a bearing. 轴踵轴承中能旋转的垂直的轴
- Fracture accidents of vertical shaft lining in aquifer are introduced. 研究了表土段立井井壁的破裂情况；
- A platform or an enclosure raised and lowered in a vertical shaft to transport people or freight. 升降机在垂直通道上载运人们或货物升降的平台或笼子
- A nearly vertical shaft or cavity worn in a glacier by surface or rock debris falling through a crack in the ice. 冰川锅穴冰川中近于直立的井穴或洞，系由冰面和岩石碎屑从冰缝中坍落而成
- The Cave of Swallows in Mexico is a 400m vertical shaft, deep enough to engulf the Empire State Building. 原来，墨西哥的燕子洞有四百米深，足以放下整个帝国大厦！
- Elegant enclosure made by valuable log, together with gilding vertical shaft and beautiful curlicue shows magnificence. 以贵重原木构造出高雅的机壳，镀金立柱和精美花饰点缀出富丽堂煌的气质。
- The simplest form of governor consists of a pair of balls which are attached to a vertical shaft by means of arms. 形式最简单的调速器是由一对球体构成；两个球体通过臂杆连接到垂直轴上。
- Sand making machine also known as vertical Shaft Impact Crusher ,is applied widely for the powd... 发布者：吕秋平所在地：河南郑州市行业：机械及行业设备职位：外销员工作年限：二年以上
- A platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building. 在一个垂直的杆状物中升起或降低的平台或小房间能够把人从一层带到另一层。
- Stock leaking and cross-contamination in quare plansifter without a vertical shaft is a common problem universally existing in every flour mill. 无立轴高方平筛的窜漏粉问题是各个粉厂普遍存在的共性问题。
- As to the profile shapes of ground collapse, they are approximately divided into vertical shaft, butterfly, funnel, ampulliform in shapes and so on. 剖面形态大致可分为竖井状、蝶状、漏斗状及坛状等。
- This text introduced the practice method of the box permanent steel petroleum derrick shaft sinking in the construction of vertical shaft pit shaft. 在立井井筒建设中,我们在原设计的基础上,对箱形永久钢井架凿井的实际方法作了改进。
- The practice of gas measuring and gas drainage when shaft developed through gasy seams in Hudi mine is introduced. 介绍了胡底煤矿在竖井开凿遭遇高瓦斯煤层时,进行瓦斯测定和瓦斯抽排的工程实践。
- Cavers work their way up ropes, climbing out of the long, vertical shaft that marks the beginning and end of a journey through Green's Well in Alabama. 探穴人借助绳索缓缓向上移动，爬出长长而竖直的天坑，那是阿拉巴马州绿井洞探索全程起点和终点的标志。
- The property and feature of PSFL series vertical shaft impact crusher and application in coal water slurry production are introduced in this paper. 介绍了PSFL系列立轴双反击破碎机的性能、特点及在水煤浆生产中的应用效果。
- Through to introduce equipments of vertical shaft the cautery ,compendiary introduce insufficiency of electricity-arc spray-paint to prevent cauterization. 通过对竖井井筒装备的腐蚀情况和电弧喷涂长效防腐技术不足的了解,建议采用玻璃钢复合材料井筒装备来解决井筒装备的腐蚀问题。
