作业时，应避开高压线路及高架电网，以保证按桩机钻架的架设不受影响。
The operation, should avoid high voltage line and elevated grid, to ensure the pile machine drill stand erect not be affected.
钻架是水平定向钻的主要承载部件，其强度和刚度对钻机能否正常工作影响很大。
The drilling frame is the main load-carrying part in horizontal directional drill, its strength and stiffness have great effect on the performance of the drill.
以钻架模型为实例，研究了其ODS测试方法试验模态，识别其模态参数，分析其测试结果。
Take model of drill pipe frame as a example, experimental modal based on ODS s testing method is studied and the modal parameter is distinguished and the testing results are analyzed.
在这张拍摄于2010年12月的照片中，一架冰立方传感器正在被放入钻好的冰洞中，这样的冰洞共有86个。
An IceCube sensor is dropped into 1 of 86 holes drilled into the Antarctic ice in a December 2010 picture.
这些轴承的滚筒是轴向钻通的，通过所谓的插销式保持架的插销引导。
The rollers of these bearings are axially through-bored and are guided by the pins of a so-called pin-type cage.
介绍了一种螺杆钻具液马达试验架的工作原理及实际使用情况。
The working principle and application of a hydraulic testing platform for screw drilling tools are introduced.
两个悬臂则固定在支架的内部结构上，并允许管架从贮存位置降到钻柱中线上。
The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low-ered from the stored position to the centerline of the drill string.
两个悬臂则固定在支架的内部结构上，并允许管架从贮存位置降到钻柱中线上。
The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low-ered from the stored position to the centerline of the drill string.
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