121: Although the oil spills have happened repeatedly in the past, significant public concern does not appear to have been aroused until the Torrey Canyon tanker disaster occurred in March 1967 152: In the case of carbon burning in an oxygen bearing atmosphere, diffusion of oxygen to the carbon interface must occur before oxidation of carbon can take place. 1903: A major simplification in the refrigeration plant is achieved by dispensing with an expansion machine and using a simple throttle valve to obtain the reduction In Dressure例1：Although the oil spills have happened repeatedly in the past, significant public concern does not appear to have been aroused until the Torrey Canyon tanker disaster occurred in March 1967. 例2：In the case of carbon burning in an oxygen bearing atmosphere, diffusion of oxygen to the carbon interface must occur before oxidation of carbon can take place. 例3：A major simplification in the refrigeration plant is achieved by dispensing with an expansion machine and using a simple throttle valve to obtain the reduction in pressure