【摘要】 主要介绍了D820对口器的工作原理、整体结构、技术要求及部分机构和部件的改进,对该对口器的撑胀力、储气罐体积等关键性计算作了较详细的阐述。改进后的D820对口器无论从工艺性能还是从使用性能方面均有较大提高。更多还原

【Abstract】 Mainly introduced D820 to the mouth apparatus principle of work,the overall construction,the specification,the partial organizations and part improvement,to this to crucial computations and so on mouth apparatus brace bulge strength,gas tank volume has made the detailed elaboration.After improving D820 to mouth apparatus,regardless has from the shop characteristics from the operational performance aspect enhances greatly.更多还原