The cause of thermal crack of the "bridge" is found to be scale formation and insufficient flow of cooling water, that is verified by practical runningofanengine.
找出了“鼻梁”处热裂的原因之一是由于水垢及水流不畅,并从实际发动机中得到证实。
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An XML document is just so much markup unless there is some way of providing a "view" of the data that turns the XML into the engine for running the application.