单向和双向推力角接触球轴承（图1.50和1.51）都用机床主轴轴向刚性作为指导。
Single-direction and double-direction angular contact thrust ball bearings (Figures 1.50 and 1.51) are used for machine tool spindles requiring rigid axial guidance.
应彻底清洗所有和物料接触的部件，包括活塞缸、活塞头、O型圈、单向阀、灌装头、料桶、料斗等，发现破裂损伤的密封应及时进行更换。
Thoroughly clean all parts exposed to material, including piston barrel, piston head, O-ring, one-way valve, filling head, feeding tank, hopper, etc. Damaged seal shall be immediately replaced.
接触地面不足10平方米，且单向倾斜。
Contacts the ground insufficient 10 square meters, also unidirectional incline.
在非接触电能传输系统中，由于电能单向传输特性，系统存在电能回馈困难、系统开环运行效率低等问题。
In contactless power transfer system, attribute to unidirectional energy transfer, there are many problems such as energy feedback difficultly and low efficiency brought by system open-loop running.
在农村，单纯的以学校为主要场地进行单向教育模式，使学生缺少接触社会、了解社会、认识社会的机会。
At the village, take school as the main place to carry on the one-way education mode purely, make student the want for contact society, understand society, know society of opportunity.
FST生产的推力球轴承以单向推力球轴承为主，同时还生产双向推力球轴承及双向推力角接触球轴承。
FST production to one-way thrust ball bearings thrust ball bearings mainly, but also the production of two-way thrust ball bearings and two-way thrust angular contact ball bearings.
FST生产的推力球轴承以单向推力球轴承为主，同时还生产双向推力球轴承及双向推力角接触球轴承。
FST production to one-way thrust ball bearings thrust ball bearings mainly, but also the production of two-way thrust ball bearings and two-way thrust angular contact ball bearings.
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