The advantages and disadvantages of the adhesivesealing and heat sealing of traction batteries were analyzed. The structure of heat sealing and relating technique were investigated.
分析了牵引用铅酸蓄电池粘合剂封口和热熔封口的利弊，探讨了热熔封口的结构及相关技术。
2
Characteristic: Xeno? III Single Step Self etching Dental Adhesive avoids sensitivity by sealing dentinal tubules and eliminating problems of over drying and over - etching of dentin.
特点：异种？三单步自腐蚀牙胶密封避免敏感的牙本质小管和消除问题的干燥和酸蚀牙本质。
3
The paper discusses that the electrolytic corrosion caused by binding cast iron with sulfur adhesive in the open air can be prevented by balancing electrode potential and sealing cover.