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- Bucket hydraulic cylinder's working pressure was used to simulate the digging resistance of hydraulic excavator. 利用铲斗液压缸的工作压力模拟液压挖掘机铲斗挖掘工作时的阻力情况;
- The oil pressure of bucket hydraulic cylinder's big cavity indirectly reflects the digging resistance when hydraulic excavator is working. 摘要液压挖掘机工作时,铲斗液压缸无杆腔的油液压力间接反映了土壤的挖掘阻力。
- Calculational formulas of inserting resistance and digging resistance are established during level and inclined digging. 按照铲斗底刃的轨迹把铲掘过程分为平铲和斜铲2种类型,分别建立了插入阻力和铲取阻力的计算公式。
- The digging resistance test and the peanut harvest experiment were done, and the experimental results showed that the model establishment and parameters selection were reasonable. 进行了挖掘铲工作阻力测试和花生收获试验,试验结果验证了挖掘铲阻力模型和工作参数的确定是合理的。
- The optimum parameters of the shovel, the influences of plane obliquity, working speed, digging depth and breadth of the shovel on the digging resistance were analyzed respectively. 分析了挖掘铲的铲面倾角、工作速度、挖掘深度、铲面宽度等因素对挖掘铲工作阻力的影响,以寻求最佳的工作参数。
- By applying Morison equation and digging force formula the drag force and digging resistant force are obtained and integrated into the virtual model of underwater excavator. 利用Morison方程和挖掘力公式分别推导了水下挖掘设备所受到的水阻力和挖掘阻力,并将其引入水下挖掘机器人的虚拟模型中,对其挖掘过程进行了模拟。
- The dug resistance of these gram-negative bacteria to semisynthetic penicillins was obvious, the drug resistance of Pseudomonas aeruginosa was more prominent. 前5位革兰阴性菌对常用抗菌药物的耐药性以半合成青霉素较明显,铜绿假单胞菌的耐药性较突出。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- She started digging the garden with a will. 她在园子里起劲地翻起土来。
- It is not easy to dig out the past. 发掘过去的历史是不容易的。
- People would not dig down for such a performance. 人们不愿意为这样的演出掏腰包。
- Ten soldiers were told off to dig ditches. 十名战士被分派去挖沟。
- I forgot to dig a trench around the tent. 我忘了在帐篷四周挖一条沟。
- Newspapers love to dig up scandal. 报纸就是爱把丑事儿揭出来。
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- They toiled all day digging the trench. 他们整天艰苦地挖壕沟。
- He is digging into Chinese history. 他正在钻研中国历史。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- He was digging potatoes with a spade. 他正在用铁锹挖马铃薯。
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。