距开展还剩
680
天
规模度
专业度
评价度
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Surveying and leveling instruments, construction machinery (excavation and earthmoving, road construction, trenchless technology, concreting, plastering, foundations, material handling equipment), construction materials, chemical additives, sealants, finishes, testing equipment, sanitation, water supply, water resource, management (harvest, conserve and recycle), renewable energy and energy effici