这类轴承没有填充槽，除径向载荷外，还能承受双向作用的轴向负荷，即使在高转速下也是如此。
Does not fill the tank of these bearings, in addition to radial loads, but also can withstand the axial load in both directions, even at high speeds as well.
选用长江口南槽悬沙，在双向环形水槽中进行盐度、含沙量、流速等不同条件下组合实验。
The suspended sediment in the south passage at the Yangtze river estuary was used to conduct experiment in the two-way annular flume about sediment concentration, salinity velocity and flow velocity.
而且由于阀杆的楔形块与燕尾槽的作用，对阀门增加了强制密封力，增大了密封比压，实现双向密封。
And because the wedge block and the role of the dovetail groove of the stem, the valve increases the forced sealing force, increases the sealing pressure ratio, the two-way sealing.
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