轴颈在轴承面上摩擦.The journal rubs against the bearing surface.此外,在较高的运行速率时, 自转轴承的寿命急剧下降.In addition, spin - bearing life is sharply reduced at higher operating speeds.因此用 “ 外生压轴承 ” 一词更佳.The term " externally pressurized bearing...
The jellies were topped with suspiciously synthetic blobs of cream.果冻上面是一小团看上去有点怪异的人造奶油。Nylon is a synthetic; it is not from nature.尼龙是一种合成纤维, 不是天然物质.We felt the salesman's synthetic friendliness.我们感觉到那位销售员的虚情假意....