casing accessories造句

• Case accessories are the key basic parts of mining machines
  摘要箱体零件是矿井机械中重要的基础零件。
• Spectacles case accessories
  眼镜盒和附件
• Spectacle cases accessories
  眼镜盒及附件
• Aiming at the existence of coal dust and gas in the coalmine environment and the special requirements of mine case explosion - proof surface process , the error conversion model , shape precision characteristics , transfer drawings , descriptive equation and error transfer structure chart in the production technological process of case accessories adopting the information flowchart of control theory are discussed , which simplify the traditional block diagram of technological process and represent the relationship of working procedure ( variable ) by information flowchart instead of miscellaneous block diagram
  针对煤矿井下煤尘和瓦斯存在的环境特性、煤矿井用箱体防爆面加工的特殊要求，采用控制理论的信息流图，对工艺过程中传统方块图进行简化，使繁杂的方块图解采用信息流图表示工艺过程的工序（变量）之间关系。