A description is given to the survey of part of the foreign drill rig modular design and the use of the method in the enterprise.
介绍了部分国外钻机模块化设计概况及该方法在本企业的应用情况。
A description is given to the survey of part of the foreign drill rig modular design and the use of the method in the enterprise.
介绍了部分国外钻机模块化设计概况及该方法在本企业的应用情况。
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