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1. What are the professional English vocabulary for air conditioning and refrigeration?
Air conditioning and refrigeration: Air conditioning and refrigeration. Air conditioning and refrigeration: Refrigeration. (Middle) The principle of air conditioning and refrigeration is that after the air conditioner is powered on, the low-pressure vapor of the refrigerant in the refrigeration system is sucked in by the compressor and compressed into high-pressure vapor, which is then discharged to the condenser. At the same time, the outdoor air drawn in by the axial fan flows through the condenser, taking away the heat released by the refrigerant and condensing high-pressure refrigerant vapor into high-pressure liquid. The high-pressure liquid is sprayed into the evaporator after passing through the filter and throttling mechanism, and evaporates at the corresponding low pressure, absorbing the surrounding heat. At the same time, the cross flow fan continuously allows air to enter the fins of the evaporator for heat exchange, and sends the cooled air into the room after releasing heat. In this way, indoor air continuously circulates and flows, achieving the goal of reducing temperature. At the same time, the outdoor air choked by the axial flow fan flows through the condenser to take away the heat released by the refrigerant, and the high pressure refrigerant vapor is conditioned into a high pressure liquid. Through the filter and the through mechanism and then sprayed into the evaporator at the corresponding low pressure to evaporate absorb the heat. At the same time, the cross flow fan makes the air continuously enter the heat exchange between the fins of the evaporator, and the cold air after the heat release is sent
2. Urgently seeking foreign literature on logistics, preferably on agricultural product logistics!
Transport or transportation is the movement of people and goods from one location to another. Transport is performed by various modes, such as air, rail, road, water, cable, pipeline and space. The field can be divided into infrastructure, vehicles, and operations. Infrastructure consists of the fixed installations necessary for transport, and may be roads, railways, airways, waterways, canals and pipelines, and terminals such as airports, railway stations, bus stations, wharehouses, trucking terminals, refueling depots (including fueling docks and fuel stations) and seaports. Terminals may both be used for interchange of passengers and cargo, and for maintenance. Vehicles traveling on these networks include vehicles of appropriate types such as automobiles, bicycles, buses, trains, trucks people, helocopters and aircraft. Operations deal with the way the vehicles are operated, and the procedures set for this purpose including financing, legalities and policies. In the transport industry, operations and ownership of infrastructure can be either public or private, depending on the country and mode. Passenger transport may be public, where operators provide scheduled services, or private. Freight transport has become focused on containerization, although bulk transport is used for large volumes of durable items. Transport plays an important part in economic growth and globalization, but has a deteriorizing impact on the environment. While it is heavily subsidized by governments, good planning of transport is essential