packed cog是什么意思

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用法例句

The feasibility of prior support with crib in fully-mechanized face mining by sequential method is discussed,the main technical parameters of supporter and the attention in use are introduced.

讨论了综采工作面应用顺序开采的回采方法时 ,采用垛式支架对巷道进行超前支护的可行性 ,并就支架的主要技术参数 ,使用中应注意的问题做了探

Application of air bag support in thin coal seam recovery;

气垛支架在薄煤层回采中的应用

Application of air holders in gentle dip and thin seam

气垛支架在缓倾斜薄煤层中应用分析

quadruped-frame supported vent stack

四腿钢架支承的排气筒

tripod-frame supported vent stack

三腿钢架支承的排气筒

Clinical application of implanting nitinol alloy endotracheal stent in the treatment of tracheobronchial stenosis

经鼻置入气道支架治疗气管支气管狭窄

Bronchopleural Fistula Treated by Bronchial Stent and Nursing Care for Respiratory Tract

支气管支架治疗支气管胸膜瘘患者的呼吸道护理

Test method for weld strength of getter support

GB/T9506.11-1988吸气剂支架焊接强度测试方法

Install the exhaust pipe support and tighten the screw.

安装排气管支架并拧紧螺丝。

Remove L shape bracket from one side of air gap drain.

从气隙排放装置的一侧拆卸l型支架。

All gas line support brackets and tie rods will be galvanized type.

气体管路所有的支架都要镀锌防腐。

Experimental Study on the Reconstruction of Laryngotracheal Framework Defect;

喉气管支架缺损修复重建的实验研究

Study of Endotracheal ～(125)Ⅰ Radioactive Stent in Conine;

～（125）Ⅰ放射性气管支架的实验研究

Nitinol memmo-alloy stents for benign and malignant tracheal stensis

镍钛记忆合金气管支架治疗良恶性气管狭窄

A reinforcing structure that projects from a wall;a buttress.

扶壁，扶垛从墙上突出的一种加固结构；支墩

Endoluminal Metallic Stents Implantation for Endobronchial Tuberculosis;

气道内金属支架植入疗法在支气管结核治疗中的应用

Implantation of nitinol stents and radioactive ~(125)I seeds through bronchoscopy to treat airway stenosis by advanced lung cancer

经支气管镜置入支架及植入放射性粒子治疗肺癌中心气管狭窄

Clinical analysis of fiber bronchoscopic stent in treatment of 31 cases malignant airway stenosis

纤维支气管镜下支架置入治疗恶性气道狭窄31例临床分析

Treatment Combined Balloon Dilatation with Nitinol Stents Implantation for Patients with Benign Tracheobronchial Stenosis

气管球囊扩张联合镍钛合金气管支架置入治疗良性气管狭窄

Balloon Dilatation And Nitinol Stent Implantation Treatment of Tracheobronchial Stenosis Due to Endobronchial Tuberculosis

气管球囊扩张及镍钛合金气管支架置入治疗气管、支气管内膜结核狭窄