The steering assembly is the key tool of the downhole closed-loop drilling system, and its mechanics properties are the base of downhole closed-loop control.

作为井下闭环钻井系统核心部分的下部导向钻具组合的力学特性，则成为形成井下闭环控制的基础。

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The chassis is an assembly of those systems that are the major operating part of a vehicle. The chassis includes the transmission, suspension, steering, and brake systems.

底盘由汽车的主要操作系统组装而成。包括传动系、行驶系、转向系和制动系四部分。

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All Thunderbolt Steering configurations use this assembly. Therefore, a left and right arm are required.

所有迅雷督导配置使用此程序集。因此，左，右手臂是必需的。

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Within this new structure, existing GOOS intergovernmental and scientific committees will be replaced by an expert GOOS Steering Committee (GSC) which will guide GOOS implementation and report directly to the IOC Assembly.

UNESCO: Indigenous Peoples

Moreover, modern car assembly relies heavily on pre-assembly of parts such as entire dash boards with the stereo, the instrument panel and the steering column already built in.

BBC: NEWS | Business | GM Europe still faces major challenges