The bearing types preferred today are manufactured with housing washers with flat supporting surfaces.
现今这种轴承被制造时更喜欢带着平鳍座垫圈。
There are also single-direction and double-direction thrust ball bearings with spherical supporting surfaces and correspondingly shaped seating washers (Figure 1.49).
也有单方向和双向推力球轴承球形表面和带有相应的支持形座位垫圈。
The supporting blocks 2 have a supporting function, so that the surfaces of the heat exchange plates 3 are parallel mutually in a certain distance.
支撑块2起支撑作用，以使热交换板3的面与面之间以一定的间距互相平行。
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