In the article , the normal damage to the screw of the spiral food expansion machine and its conditions of tolerating force because of the comprehensive action of wear and corrosion are analysed .
英
美
- 本文对螺旋式食品膨化机螺杆由于磨损和腐蚀的综合作用引起的正常破坏以及受力情况进行了分析。