You have to focus on reusing and assembling components and stay away from custom components.
你必须关注重用和装配组件，远离自定义组件。
Like engineers, they design things, assembling components into systems and evaluating tradeoffs among alternatives.
像工程师一样，他们设计事物，把部件装配为系统，在候选方案中寻求一种平衡。
These methods have been used in finish machining during assembling components of aircraft.
这些方法已在飞机部件装配精加工中获得应用。
These methods have been used in finish machining during assembling components of aircraft.
这些方法已在飞机部件装配精加工中获得应用。
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