a derrick meaning in English
a型构架转臂起重机
a型转臂起重机
Examples
- They were placed by a derrick mounted on rails on the bridge deck .
它们由轨道上的转臂吊机吊放在桥面上。 - The most obvious part of a drilling rig is called “ a derrick ” . it is used to lift sections of pipe , which are lowered into the hole made by the drill
钻机中最显眼的部件叫“井架” ，井架用来吊升分节油管，把油管放入由钻头打出的孔中。 - The artist erected a man in the front yard , that resembled a derrick . he could have stepped over the house ; but the girl was not hypercritical ; she was satisfied with the monster , and whispered
于是，这位“画家”就在前院里画了一个人，他拔地而起，那形状有点像一架人字起重机，他一大步就可以跨过房子。 - And the development of the sea transportation industry around the world also puts forward the higher request that to achieve a good reputation and benefit , the continuity and effectivity of load and unload equipments , for instance , a derrick ' s work is a must
随着世界海运业的发展，各个港口对装卸设备提出了更高的要求，保持起重机工作的连续性、高效性已经成为影响各个港口效益和声誉的关键因素。 - On the basis of analyzing the rock mechanics , the bit working circumstance and property in the bottom hole of 6000m deep well , and making use of the former equipment such as a derrick , platforms etc , the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore , the high pressure connector between the static well bore and the rotating drill pipe , the high pressure simulating system of circulating fluid and the high pressure desander etc . the produce , control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden , confined , pore and column pressure ) have been studied
本文在对井底岩石的受力状态以及钻头的工作环境和特性加以分析的基础上，借助原有的井架、平台等设备，研究设计了模拟6000米井底压力坏境的高压模拟井筒、钻柱高压转联器、钻井液高压模拟系统以及高压除砂器等机械装置，并研究了井底四维模拟压力(上覆压、围压、孔隙压和液柱压)的产生、控制及其控制的建模与仿真，从而实现井深至6000米的四维井底压力环境的模拟。