The utility model discloses a positioning structure of a steering oil pipe and an oil pump interface for an automobile, which comprises a metal joint and a positioning block (positioning piece).

本实用新型公开了一种汽车转向油管油泵接口的定位结构，它由金属接头、 定位块（定位片）组成。

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The reason of the failure of epoxy bonded joint in water was that the epoxy adhesive on the metal surface was substituted for water.

环氧胶接接头在水中破坏失效的原因主要是渗入到胶接层的水分子取代了胶粘剂分子在金属表面的粘附。

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When the gasket is placed on the block and the head installed, tightening of the head bolts squeezes the soft metal so that the joint is effectively sealed.

当气缸垫装在气缸体上，然后装上气缸盖以后，气缸盖螺栓就压紧软金属垫，这样结合处就完全密封了。

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Last year, British experts at the world's biggest artificial joint registry said doctors should stop using metal-on-metal hip replacements after a study found that, after five years, about 6 percent of people who had used them needed surgery to fix or replace them.

NPR: Trial Under Way In LA Hip Joint Replacement Suit