Through changing the sealing structure to sleeve type and optimizing the welding technology, the security and reliability of the boiler equipment are improved.

通过将密封结构改进为套筒式和优化焊接工艺，提高了锅炉的安全可靠性。

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In order to protect PVC sleeve, printed marks and sealing material, capacitors can not be cleaned with halogenated chemicals or similar solvent such as trichlorethylene, Xylene or Acetone, etc.

为了保护塑胶套管、印刷标示以及封口材料不被破坏，电解电容器不得以卤化化学药品或类似溶剂，作为电解电容器洗涤之用，如三氯乙烯、二甲苯类或酮类等。

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The design of the exterior of the sleeve (2) prevents a second suction hose from lying in a sealing manner against the sleeve (2).

所述套管（2）具有外部的表面构造，所述表面构造防止第二抽吸软管以密封的方式紧贴在所述套管（2）上。

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