The present paper in detail introduced the Zhuzhuang coal mine synthesis picks cuts the eye use the anchor beam net timbering technology.
该文详细介绍了朱庄煤矿综采切眼使用的锚梁网支护技术。
The construction technology of large_span combined_type composite box net beam ceiling is successfully applied in new school district library project of Weifang Medical College.
潍坊医学院新校区图书馆工程,成功地应用了大跨度组合式叠合箱网梁楼盖施工技术。
But net torque curve of crankshaft exists negative . The compound balance beam pumping units is put forward.
但净扭矩曲线存在负值,建议增加曲柄二次平衡,设计成复合平衡型抽油机。
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