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- air lift and control sediment 气动冲淤
- Thereout, the pressure characteristics of every subsystem, the current of solenoid valve ,the gag bit lift, needle lift and control parameters and control parameters have been obtained. 由此得到各部件集中容积内的压力特性、驱动电路的电流、衔铁升程、针阀升程的变化规律等动态参数。
- She offered him a lift and he accepted (it). 她请他坐她的车, 他就领情了。
- They are at a dead lift and need help. 他们正处在紧要关头,需要帮助。
- The wing units function as lifting and control surfaces during flight, and are capable of forming a protective shield for atmospheric re-entry. 该机翼单元的作用是提供升力,以及在飞行时的姿势控制,此外就是在重返大气层时形成一道保护层。
- The mattress is easy to fold up, lift and move. 垫子易于折叠、搬抬、挪动。
- She offered him a lift and he accepted. 她请他坐她的车,他就领情了。
- air uplift and control sediment 气动冲淤
- "Still have to upwards point." Any lift and say. “还得往上点。”阿凡提又说。
- The new derrick and substructure adopts hydraulic cylinder lifting and control technique,and is easy to be installed and uninstalled with high protability. 这种新型的模型除充分考虑了拆装便捷、移运高效外,还应用液压油缸自动举升和控制技术,是一种具有全新理念的快速移运、快速安装的钻机。
- Air Movement and Control Association International, Inc. 美国通风与空调协会。
- We were stuck in a lift and has to sweat it our until help arrived. 我们被困在电梯里,只得焦急不安地等待援救的到来。
- He get into the lift and push the button for the fourth floor. 他走进电梯,按了去4层的电钮。
- The alternate lift and descent of the nose and tail of an airplane. (飞机)摇晃飞机机头机尾交替下沉
- Keep and control the work order collection envelop. 保留并保管工作单收集信封。
- There is no lift and we have to climb six flight of stairs. 没有电梯, 我们得爬六段楼梯。
- Jets of compressed air lift the hovercraft off the ground, and flexible skirts around the craft retain the air cushion, and help to keep it stable. 压缩空气的喷射气流将气垫船浮在地面上,船的四周有柔性围裙来维持气垫并使气垫船稳定。
- Reduce and Control Operating Cost. 简化和控制营业成本。
- I entered the lift and pressed the button on the fifth floor. 我走进电梯,揿了揿五楼的按钮。
- Should Pets Be Killed to Prevent and Control SARS? 宰杀动物可以预防和控制非典吗?