The rudder device keyway to hole keyway , Hole of the conical hole, Not run through the holes, Moreover structure of two key connection , Large size , High precision machining.

舵装置的键槽是内孔键槽，孔为锥孔、盲孔，而且采用双键联接结构，尺寸大，加工精度较高。

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This type of manufacturing and crafts work is today a key connection between the global city and the global slum.

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As our minds evolve along with these new technologies, the key connection between social media and revolutions will likely be a matter of focus.

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Martin Cuff, an economic development specialist focusing on film, argues that the key is the emotional connection between audiences and what's on screen.

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