查询词典 oil motor

Particularly the gap between the hydraulic pump, hydraulic motor and gearbox oil seals and hydraulic rotary cylinder reciprocating dynamic seal product quality most.

差距尤以液压泵、液压马达和变速箱用旋转油封及液压缸往复动密封的产品质量最甚。

CAS radiation technology services company in Shanghai of the Chinese Academy of Sciences, the Ministry of radiation technology company in Shanghai's technology subsidiary, and the Chinese Academy of Sciences radiation technology company in 1989 by the Chinese Academy of Sciences of Nuclear Science and Physical and Chemical led the organization of the Chinese Academy of Sciences, owned by high-energy physics Shanghai by the atomic nucleus, Lanzhou Modern Physics, Plasma Physics in Hefei, the Changchun Applied Chemistry, Hefei Chinese Scientific and Technical University jointly established a joint venture and technical input, built for the cable factory in Yantai, Changshu Cable Factory, Liyang Cable Factory, Huaian cable factory Electronic contracting, such as the establishment of a special radiation cross-linking cable production lines and a number of radiation center and computer and new materials production base, by the relevant State Council ministries and provincial and municipal leaders on the importance and recognition, that was the first national high-tech Enterprise units, radiation technology company in 2002 to reform the merger into a new high-tech companies, and the Shanghai Technology Services Division of the Department of independent legal entities and by relying on the Chinese nuclear radiation and high-tech base for the successful trial production of 200-nanometer tetrafluoroethylene Ethylene special engineering plastics ultra-fine powder, consisting mainly expected to add new type of dispersing agent, detergent, antioxidant Kangfu agent, the preparation of a motor vehicle and vessel efficient use of lubricating oil additives series.

中国科学院辐射技术公司上海服务部系原中国科学院辐射技术公司在上海的技术子公司，而中国科学院辐射技术公司是1989年由中科院数理化局核科学处牵头组织中国科学院所属的高能物理所，上海原子核所、兰州近代物理所、合肥等离子物理所、长春应用化学所、合肥中国科技大学共同合资并投入技术建立的，建成后为烟台电缆厂、常熟电缆厂、溧阳电缆厂、淮安电缆厂等承包建立了电子辐照交联特种电缆生产线和一批辐照中心和计算机及新材料生产基地，受到国务院有关部委和有关省市领导的重视和表扬，并被国家认定的第一批高技术企业单位，2002年辐射技术公司进行体制改革合并成新的高技术公司，而上海技术服务部系独立法人单位并依托中科院原子核所辐照基地的高新技术及试制成功的200纳米聚四氟乙烯特种工程塑料超细粉，以此为主料加上新型的分散剂、清净剂、抗氧抗腐剂等，配制成汽车用和船舶用的高效润滑油系列添加剂。

The conventional onesided travelling-wave ultrasonic motor needs bearing to support and oil to lubricate, does provide sufficiently high torque and power due to limited contact area between the stator and the rotor, consequently its application is limited.

针对传统的行波超声电机定转子接触面小、输出力矩小，需要轴承定位，存在润滑问题，设计了一种新型双锥面齿驱动的自支撑轴系行波超声电机。

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。