To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.

为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。

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The rotating shafts of three t type joint modules are parallel to each other and are mutually perpendicular to the rotating shafts of the I type joint modules at both ends.

三个T型关节模块的转轴互相平行，并与两端的I型关节模块的转轴互相垂直。

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End Connections - choice of raised face smooth finish or ring type joint for piping flexibility.

连接端口-根据管道特点选择凸面光滑表面或环连接端口。

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Tracing patients given this type of joint will be easy - the manufacturer is recorded in patient records, and patients should wait to be contacted rather than ring in to hospitals themselves, the MDA said.

BBC: Concern over faulty hip joints

According to the newspaper, it is one of the biggest joint letters of its type ever written.

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