米粉是广西桂北地区早餐的主要食品，为加强卫生监督，保证其食用卫生安全，我们对一米粉加工场进行了卫生学调查。１　材料与方法１１　选择城区一个加工规模及各方面都有代表性的米粉加工场作卫生学调查。１２　对米粉加工过程进行观察，并对有关的物理因素进行测量，对 Rice noodles are the main foods for breakfast in Guangxi’s northern part of Guangxi. To strengthen hygiene supervision and ensure their food hygiene and safety, we conducted a hygiene survey on one rice noodle processing plant. 1 Materials and methods 1  1 Select a processing scale and all aspects of the city are representative of the rice processing plant hygiene survey. 1  2 on the rice processing process to observe and measure the physical factors,