1·Trial grinding of coal types constitutes a relatively reliable method for the selection of fan mills and the design of coal pulverizing systems.
采用煤种的试磨方法是风扇磨选型和制粉系统设计较为可靠的方法。
2·Results indicated that the main cause of this problem was the excessive air leakage of coal pulverizing system.
指出了制粉系统漏风过大是导致这一问题的主要原因。