It's a key part of the corporate structure, and has now entered a gray area due to climate change.
这是公司结构中的一个关键部分，目前由于气候变化已进入了一个灰色地带。
The metal structure is important part and key of designing and producing the heat exchanger's extracting core machines.
换热器抽芯机主体金属结构是换热器抽芯机最重要组成部分，也是换热器抽芯机设计与制造的关键。
And the basic structure, function and key techniques of each part of that evaluation and decision subsystem were expounded in detail.
详细阐述了该评价与决策子系统的基本结构、功能及各部分关键技术。
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