PD ...A-...WS-2
PTE 320-...W1-10(R)
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Wind power, at present, is one of the most mature and feasible renewable clean energy. It brings a great opportunity to human and nature harmonic development. Due to outdoor ...
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Solar power, another renewable clean energy out of wind power, is now widely used in varies countries and territories.
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IDC is a critical place with complexities, particularities and heavy investments, as well as fragility.
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Modern mobile communication technology is developing at an unprecedented speed. As an indispensable communication base station ...
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The safe and stable operation of power grid will inevitably provide people with stable power supply and other power sources...
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Harbor facilities is a key material and technical basis for modern port to engage in loading, unloading and transportation. Harbor and container wharf belong to large outdoors production place.
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There are many types of rail transit, such as subway, light rail, tram, intercity train, etc. Rail transit has the advantages of large volume, fast speed, safety, punctuality, energy saving and so on.
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As the main representative of modern traffic engineering construction, expressway has brought a comprehensive role in promoting
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As a new clean and energy-saving means of transportation, electric vehicles are more and more popular.
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