名词短语
中文翻译：建筑商的机械厂成本同义词
同义词：
['Construction Machinery Plant Cost', 'Mechanical Plant Cost']
例句：
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1. The cost of constructing the new factory is estimated to be $50 million.
建造新工厂的成本估计为5000万美元。
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2. The construction machinery plant cost will be covered by the government subsidy.
政府补贴将覆盖建设机械厂的成本。
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3. The cost of maintaining the mechanical plant is a significant expense for the company.
维护机械厂的成本是公司的一个重大开支。