查询词典 pumping

The working properties of hollow rod pumping system developed on the basis of hydraulic feedback principle were analyzed.

针对液力反馈原理的新型空心杆采油工艺的特点，在理论分析的基础上，考虑液体运动、空心杆柱受力等因素的影响，完成了液力反馈型空心杆采油管柱力学分析，建立了空心杆采油的二维数学模型。

The quasi-continuous laser pulse output was realized in the experiment by directly pumping the crystal from its end by the fiber coupled laser diode.

实验中用光纤耦合的激光二极管端面泵浦激光晶体，实现准连续的激光脉冲输出。

They can watch demonstrations of elevating grain, sawing wood, grinding corn, and pumping water.

他们可以观看现场的谷物处理、锯木头及使用唧筒抽水的示范秀。

Thermostats in the top of the radiator contained a spring-loaded valve, the spring being made of two dissimilar metals (bi-metallic, just like the ones in your home) and when the temperature got to 180o, the metals would expand, open up the valve, and permit the water pump to start pumping the water though the radiator where the onrushing air due to the vehicle's motion would cool the water and keep its temperate at 180o.

恒温器，在上方的散热器上载有弹簧加载阀，春天正在取得两个异种金属（双金属，就像那些在你家）和当温度到了180o ，金属将扩大，开拓阀门，并允许水泵开始抽水的水，虽然散热器的地方onrushing空气由於车辆的议案，将冷却水，并确保其在温带

Thermostats in the top of the radiator contained a spring-loaded valve, the spring being made of two dissimilar metals (bi-metallic, just like the ones in your home) and when the temperature got to 180o, the metals would expand, open up the valve, and permit the water pump to start pumping the water though the radiator where the onrushing air due to the vehicle's motion would cool the water and keep its temperate at 180o.

恒温器，在上方的散热器上载有弹簧加载阀，春天正在取得两个异种金属（双金属，就像那些在你家）和当温度到了180o ，金属将扩大，开拓阀门，并允许水泵开始抽水的水，虽然散热器的地方onrushing空气由于车辆的议案，将冷却水，并确保其在温带

The Company under the State Xin wire plant is specialized in producing and selling screws and hardware dedicated wire commonly used in pumping the water daily, pink pump wire, reliable quality and reasonable price.

本公司属下国鑫线材厂是专业生产、销售螺丝专用线材和五金日用品常用的水抽、粉抽线材，质量可靠，价格合理。

Machining the chain wheel of the lower pumping unit with a special cylinder - chain;2. The technological property of the chain wheel of the torsion-limiting device is analyzed.

分析了限扭器链轮的工艺性，介绍了用冷挤压技术生产链轮的工艺流程及难点，提出了采用预应力控制模具精度的方法，其齿型参数达到国家标准，满足了图纸规定的要求。

Theoretically the pump blade failure mechanism was worn on, the impact of wear failure leaves the various factors was analyzed, combined with practice pumping station operation and maintenance experience, the focus at a reasonable selection, surface heat treatment, non-metallic protective coating alloy powder spray repair welding and welding six aspects, premature wear of the pump blade technical measures and repair methods was prevented in order to enhance its effective life.

理论上阐述了水泵叶片磨损失效的机制，具体分析了影响叶片磨损失效的各种因素，并结合泵站运行实践和维修经验，重点在合理选材、表面热处理、非金属涂层防护、合金粉末喷焊和补焊等6个方面，提出了防止水泵叶片过早磨损的技术措施和修补方法，以提高其有效的使用寿命。

This paper discusses the model of secondary water-supply system that can take advantage of the energy in the muicipal pipeline and its tactics of pumping water .

着重讨论利用市政管网压强能量的二次供水系统在理想情况下的用水模型以及相应的抽水策略，为实际用水模型的建立提供理论依

In this paper, the model tests of the wind-powered water-pumping system was conducted and the results of the tests prove that the principle of the system is correct.

本文报道了这种新型风力提水系统的模型实验结果，指出了进一步的研究方向。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。