dippin dots franchise profit ECB President Mario draghi said at a press conference following the central bank's board meeting that important changes had taken place in the resumption of negotiations. The investment in securities is conducive to improving the operation and management of enterprises, improving the economic and social visibility of enterprises and promoting the rationalization of enterprises' behaviors. The investment of securities provides an important means for the central bank to conduct financial macro-control, which is of great significance to the sustainable and efficient development of the national economy. (2) passenger car: a rectangular carriage, which is mainly used for vehicles carrying personnel (more than 9 persons) and their carry-on items High compression ratio if choose low grades of gasoline engine, can make the cylinder temperature rises, the incomplete combustion of gasoline, strong vibration machine, so that the output power down, damage to the parts, fuel consumption and driving. If lower compression ratio engine with high grade oil, can appear "delay" phenomenon, namely the compression ratio is less than the highest point of spontaneous combustion, as will appear incomplete combustion phenomenon, the engine is no good. Data released by the American petroleum institute (API) showed that U.S. crude oil inventories fell 5.2 million barrels in the week ended Dec. 15, down from an expected 35.18 million barrels. Refinery inventories fell more than expected, while gasoline inventories rose, but were less than expected. The overall API data is good and good for oil prices.