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- jet type tricone bit 喷射式三牙轮钻头
- Direct type windmill,low trouble. 直接式风车，故障低。
- The direct type of evaporative air cooler uses primary wet surfaces. 直接蒸发式空气冷却器是利用原有的湿表面工作的。
- In this study, the gage cutters" movement of a tricone bit was simulated, in which the gage cutters" scraping the rock around the wellbore and the formation of transition zone were visualized. 模拟三牙轮钻头保径侧切齿形刮切破碎井壁岩石形成过渡带的运动，建立了试验装置；
- New method for designing engagement of tricone bit 三牙轮钻头啮合设计的新方法
- Keywords tricone bit;vibration;fuzzy control; 牙轮钻机;振动;模糊控制;
- Prediction and evaluation of systematic reliability of tricone bit 三牙轮钻头系统可靠性的预测与评估
- Keywords Tricone bit Roller bearing Free gap Contact strength; 牙轮钻头;轴承游隙;接触强度;
- The direct type of evaporative air cooler uses primary wet surfaces 直接蒸发式空气冷却器是利用原有的湿表面工作的。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- IMPLEMENTING TRICONE BIT BEARING FAULT DIAGNOSIS BY APPLYING WAVELET PACKET THEORY DURING DRILLING 应用小波理论实现钻进过程中三牙轮钻头轴承故障诊抖
- He has chosen the most direct route. 他选取了最直的路线。
- STUDY OF THE LOAD ON THE JOURNAL BEARINGS OF THE TRICONE BIT BY THE METHOD OF ANALYSIS OF THE RANDOM PROCESS 用随机过程分析方法研究牙轮钻头轴承载荷
- She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
- Keywords tricone bit;bottomhole rock surface;three lobes pattern;mechanism;vibration; 三牙轮钻头;井底岩面;三凸起型式;机理;振动;
- Having no particular directional characteristics. 无定向的具有无特定方向的特征
- See that direct heat does not play on it. 当心别让它直接受热。
