无摩擦的

Adhered intension of passivation film: scrub film 2 to 3 second by soft rubber, then check scratch mark on the film.

2.2钝化膜的粘附强度：检验有色钝化膜的粘附强度时，可用一块软质橡皮在镀层表面摩擦2至3秒钟，镀层膜上应无刮伤痕迹。

The amianthine cat whisker-free friction material of the invention contains no asbestos fiber, and is friendly to the environment, has low cost, and has obvious environmental benefits and economic benefits.

本发明的无石棉晶须摩擦材料不含有石棉纤维，对环境友好，成本低，具有明显的环境效益及经济效益。

The research status and development trend of several functional additives for internal combustion engine oil such as metallic detergent,ashless dispersant,antioxidant and corrosion inhibitor,friction modifier are presented.

介绍了金属清净剂、无灰分散剂、抗氧抗腐剂、摩擦改进剂等内燃机油几大功能添加剂的研究现状及发展趋势，并提出了今后润滑油添加剂的研究方向。

Cylinder body endophragm and the live pump plunger shaft plate the hard chromium, has the very good abrasion resistance; Between all glide part has the oil-free lubrication axis and the guidance link reduces the friction coefficient, the extension service life, AW the air operated actuator U curved characteristic

输出扭矩大，动作灵活平稳；缸体内壁和活塞轴镀硬铬，具有很好的抗磨性；所有滑动部件之间配有无油润滑轴和导向环以降低摩擦系数，延长使用寿命，AW气动执行器的U型曲线特性输出扭矩更适用于大口径球阀、蝶阀。

Results Extensive and diffuse synovial hyperplasia can be seen in patients with RA;synovial pannus formation can be seen in 25 cases.

结果RA组病人均可见广泛、弥漫的滑膜增生，其中25例病人可见滑膜血管翳形成，而OA组仅7例病人可见轻度滑膜增厚，未见滑膜血管翳形成者(X2=55.78P.005)；RA组关节软骨及软骨下骨改变较严重且弥漫，而OA组软骨退变则较局限，且以关节摩擦大的部位受损为著，其软骨下骨改变较为局限，常常见于IV软骨退变；关节腔积液、半月板及韧带改变，在OA组与RA组之间无差异。

By the use of metal belt typed step-less variator manufactured with self-contained design,an experimental research was carried out on the frictional factor and transmission efficiency of metal belt transmission.

用自主设计制造的金属带式无级变速器，对金属带传动的摩擦因数和传动效率进行了实验研究。

Some preliminary suggestions have been made on some problems involved in the design andmanufacture of multi friction disk stepless speed change device .

本文仅就多摩擦盘无级调速器的运动设计、传动分析和关键件的选材、加工和装配等问题，提出粗浅看法，供有关设计和生产部门参考。

Electric submersible screw pump are screw pump and the electric submersible pump combination is a very applicable to horizontal wells downhole fluid lift system, belong to non-rod pump systems, to avoid the tube, rod friction wear and tear.

电潜螺杆泵是螺杆泵和电潜泵的组合，是一种非常适用于水平井的井下流体提升系统，属于无杆泵系统，避免了管、杆摩擦损耗。

The main products are: R Series Hardened helical gear reducer, S series helical gears - worm reducer, K Series helical gears - spiral bevel gear reducer, F series parallel shaft helical gear reducer, T series of spiral bevel gear to me , RV series aluminum alloy Worm Gear reducer, MB series of mechanical friction planetary CVT, hardened cylinder gear reducer and specifications of the various types of special gear, the worm reducer the design and manufacture.

R系列硬齿面斜齿轮减速机、S系列斜齿轮-蜗轮减速机、K系列斜齿轮-螺旋伞齿轮减速机、F系列平行轴斜齿轮减速机、T系列螺旋锥齿轮转向箱、RV系列铝合金蜗轮蜗杆减速机、MB系列行星摩擦式机械无级变速器、硬齿面圆柱齿轮减速机及各类特殊规格的齿轮、蜗轮减速机的设计制造。

The company imports asbestos free friction material formulation, technology and equipment for the production of brake products for vehicles such as FAW V.W., Shanghai V.W., BPW Citroen, Benz and many others in the original equipment vehicle build market of China.

公司引进先进的无石棉摩擦材料配方，技术和设备，用于汽车制动片的生产，供应诸如一汽大众、上海大众、BPW富康、奔驰等中国原装配套市场。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。