Handwheel torque or actuator force provides positive seat - knife closure . during closure , the stem slides down pushing the knife into contact with the two bottom lugs 手轮扭矩或执行机构扭力是正阀座-闸刀关闭的动力源。在关闭期间，阀杆向下滑动推动闸刀向下抵住两个底部凸耳。
The plasma propulsion technology is applied abroad in spaceflight industry field as the assistant power source , which has the excellences such as little power exhausting and safe " credibility 等离子体推进技术在航天工业的应用很多，它作为辅助动力源，具有功耗少、安全可靠的优点。
The pump is the " heart " of the hydraulic system and has the severest working condition . so the fault diagnosis of the pump becomes the crucial factor for the hydraulic system 液压泵作为液压系统的动力源，它的工作条件最为恶劣，因此对液压泵的故障诊断又成为了保证液压系统正常运行的关键。
Fuel cell electric vehicle ( fcev ) is powered by fuel cell , which turns the chemical energy into electricity , and driven by the motor using the above electricity 燃料电池电动车( fcev ， fuelcellelectricvehicle )由燃料电池作为动力源，它直接将燃料的化学能转变为电能，通过电能驱动电机使车辆运行。
The dynamics of academic development roots in academicians " self - inspiration . the directions and goals of academic development come from academicians " sensitive on the knowledge advance 学术发展的动力源自学术人员的自我激励，学术发展目标与方向源自学术人员的敏感，学术发展的约束源自学术道德。
This powerful motivation comes from his natural right as the religious feelings like love , such a feeling he was thinking of the great fun of any utilitarian can drive and replace it 这强大的动力源自于他对自然的宗教般的恋爱般的情感，这种情感使他获得了极大的思维乐趣，是任何功利都无法驱使和替代的。
Depend on customors requestment . supply with units of high pressure cleaning equi - ppment . units of htig pressure cleaning equippment . diesel engines and other high press - ure pump ' s auxiliry 本公司可以根据用户的需要提供各种清洗、疏通等施工的成套设备并可按用户需求配备各种动力源，以及与高压泵相关的使用配件。
Aimed at the mechnical flapping wing system of the bionicflying micro - robot including the micro - actuators , the bionic wing , the locomotion system , and the energy source , the scaling effect is analyzed 针对微型仿生扑冀飞行器的机械扑冀系统，包括微驱动器、仿生翅、运动系统和动力源等，本文进行了尺度效应分析。
Academics say that as asia becomes one of the world ' s economic powerhouses , australia needs to improve its language skills if it is to take full advantage of the business opportunities on its doorstep 一些学者认为亚洲已经成为世界经济动力源之一,澳大利亚如果想利用其近在咫尺的经济机会,择则需要增强其语言技能
We will depend on the high technology to research and develop the power resource of the new permanent magnetic rare - earth - based mechanism and get a first - rate series of magnetic machinery engineering products , which will become our start point 我们将依托高科技，研究开发基于稀土永磁的新型机构的动力源，获得一流的磁机械工程系列产品，这就是我们的出发点。
