double-contact

常见例句

• "Double contact " craft at 20 centuries by the company that do obeisance to ear 60 time develop a success, secondly oxidation sulfur volatilizes the quantity decreases apparently than standard craft.
  “双接触”工艺由拜耳公司于20世纪60年代开发成功,其二氧化硫挥发量比标准工艺明显减少。
• overhead double contact line system
  架空双接触线系统
• double contact detection meter of gear
  双啮仪
• double contact wires type catenary
  双触轮式吊线
• double contact wire type catenary
  双接触线式吊线
• The Automation Reform of Gear Double Contact Detection Meter
  齿轮双面啮合检测仪自动化改造
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